DNS Spy
Connectivity: 100%
The following nameservers are available and responding correctly for DNS queries for your domain sky.com.
| Nameserver | IP address(es) | SOA serial |
|---|---|---|
| edns1.ultradns.biz. |
204.74.67.1
2610:a1:1015::201 |
2021051401 |
| edns1.ultradns.com. |
204.74.66.1
2001:502:f3ff::201 |
2021051401 |
| edns1.ultradns.net. |
204.74.110.1
2610:a1:1014::201 |
2021051401 |
| edns1.ultradns.org. |
204.74.111.1
2001:502:4612::201 |
2021051401 |
| ns0.isp.sky.com. | 90.207.238.101 | 2021051401 |
| ns1.isp.sky.com. | 90.207.238.102 | 2021051401 |
Good news, no warnings or errors were found.
We could not find any recommendations at this time.
Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.
- All nameservers reply with the same SOA serial number.
- The nameserver IPs are distributed across multiple subnets.
- All nameservers are online.
- Nameservers are available over IPv4.
- Nameservers are available over IPv6.
Performance: 100%
We tested each nameserver and measured the following response times.
| Nameserver | IP address(es) | Response time |
|---|---|---|
| edns1.ultradns.biz. |
204.74.67.1
2610:a1:1015::201 |
7ms
7ms |
| edns1.ultradns.com. |
204.74.66.1
2001:502:f3ff::201 |
7ms
3ms |
| edns1.ultradns.net. |
204.74.110.1
2610:a1:1014::201 |
31ms
7ms |
| edns1.ultradns.org. |
204.74.111.1
2001:502:4612::201 |
7ms
7ms |
| ns0.isp.sky.com. | 90.207.238.101 | 31ms |
| ns1.isp.sky.com. | 90.207.238.102 | 35ms |
Good news, no warnings or errors were found.
We could not find any recommendations at this time.
Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.
- Nameserver edns1.ultradns.biz. (204.74.67.1) replied quickly (< 50ms).
- Nameserver edns1.ultradns.biz. (2610:a1:1015::201) replied in a reasonable time.
- Nameserver edns1.ultradns.com. (204.74.66.1) replied quickly (< 50ms).
- Nameserver edns1.ultradns.com. (2001:502:f3ff::201) replied in a reasonable time.
- Nameserver edns1.ultradns.net. (204.74.110.1) replied quickly (< 50ms).
- Nameserver edns1.ultradns.net. (2610:a1:1014::201) replied in a reasonable time.
- Nameserver edns1.ultradns.org. (204.74.111.1) replied quickly (< 50ms).
- Nameserver edns1.ultradns.org. (2001:502:4612::201) replied in a reasonable time.
- Nameserver ns0.isp.sky.com. (90.207.238.101) replied quickly (< 50ms).
- Nameserver ns1.isp.sky.com. (90.207.238.102) replied quickly (< 50ms).
Resilience & Security: 86%
These are the locations and providers of your nameservers.
| Nameserver | Location | ISP |
|---|---|---|
| edns1.ultradns.biz. |
IPv4: US
IPv6: US |
AS397213 397215 397218 397220 397224 397235 397238 397242 -
AS19905 - NEUSTAR-AS6, US |
| edns1.ultradns.com. |
IPv4: US
IPv6: US |
AS397215 397220 397224 397231 397233 397238 -
AS19905 - NEUSTAR-AS6, US |
| edns1.ultradns.net. |
IPv4: US
IPv6: US |
AS397213 397215 397218 397220 397224 397235 397242 -
AS19905 - NEUSTAR-AS6, US |
| edns1.ultradns.org. |
IPv4: US
IPv6: US |
AS397213 397218 397228 397232 397235 397238 397242 -
AS19905 - NEUSTAR-AS6, US |
| ns0.isp.sky.com. | IPv4: GB | AS5607 - BSKYB-BROADBAND-AS, GB |
| ns1.isp.sky.com. | IPv4: GB | AS5607 - BSKYB-BROADBAND-AS, GB |
We detected the following errors or warnings about your DNS configuration. These caused your DNS rating to be lowered. Resolving these will grant a higher DNS Spy rating for your domain.
- No DNSSEC records found. Consider enabling DNSSEC, as it provides a way to validate DNS responses for data integrity.
We detected some possible recommendations for you to consider. No penalties were given for these, but resolving them can give you a higher DNS score.
- No CAA records found. Consider adding CAA records, as it adds increased security by limiting which Certificate Authorities can issue certificates for this domain. (more info)
Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.
- You have more than 1 nameserver.
- The IPv4 nameservers are distributed among multiple providers.
- The IPv4 nameservers are distributed across multiple locations.
- The IPv6 nameservers are distributed among multiple providers.
- The IPv6 nameservers are distributed across multiple locations.
- The nameservers are being operated from multiple domains (ultradns.biz, ultradns.com, ultradns.net, ultradns.org, sky.com).
DNS records: 100%
Our scans detected the following publicly available DNS records.
| Record | TTL | Value | |
|---|---|---|---|
| A | sky.com | 24h | 90.216.128.5 |
| MX | sky.com | 24h | 1 mx-eu.mail.am0.yahoodns.net. |
| NS | sky.com | 24h |
edns1.ultradns.biz. edns1.ultradns.com. edns1.ultradns.net. edns1.ultradns.org. ns0.isp.sky.com. ns1.isp.sky.com. |
| SOA | sky.com | 24h | ns0.isp.sky.com. hostmaster.isp.sky.com. 2021051401 28800 7200 604800 300 |
| TXT | sky.com | 24h |
"ahrefs-site-verification_607c2c7074c04201f6632e6a440053ec517a212c8a03c5083fd939033aec6f3f" "btsl662n5ztf6hxwpz1br9lnymzlxnhh" "facebook-domain-verification=ipyjuhllffdlc7r4atbu8bjwwp0f5k" "google-site-verification=Ic0ftNf6Pta1zaewQg7-TCuketCTgZ2CXj0LJj9RIMA" "google-site-verification=T8BVAD-cfFxIqvPpZn4LVI57n9HfjwmtLotigKtTsfE" "google-site-verification=VFpv2u0XNbu-CZ7oUtVcu-aIM3kaS_saNRwozl_NQxk" "google-site-verification=_8Kzib21BabB_N3_7wdtxZj_rFp7Rj-vFWnA_ZsriZ8" "pardot916381=5bdd524aacc22cc1e56b6a1fbb397218800799de66cf70980fb7ead32a50438f" "v=spf1 include:_ipspf.yahoo.com -all" |
| TXT | _dmarc.sky.com | 24h | "v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=75; sp=reject; adkim=s; aspf=s; fo=1;" |
| SRV | _jabber._tcp.sky.com | 24h |
20 0 5269 xmpp-server1.l.google.com. 20 0 5269 xmpp-server2.l.google.com. 20 0 5269 xmpp-server3.l.google.com. 20 0 5269 xmpp-server4.l.google.com. 5 0 5269 xmpp-server.l.google.com. |
| SRV | _xmpp-server._tcp.sky.com | 24h |
20 0 5269 xmpp-server1.l.google.com. 20 0 5269 xmpp-server2.l.google.com. 20 0 5269 xmpp-server3.l.google.com. 20 0 5269 xmpp-server4.l.google.com. 5 0 5269 xmpp-server.l.google.com. |
| A | analytics.sky.com | 1m | 90.216.144.211 |
| CNAME | apps.sky.com | 5m | ssl-apps.sky.com.c.footprint.net. |
| CNAME | blog.sky.com | 24h | jeremythompson.typepad.com. |
| CNAME | cdn.sky.com | 12h | ondemand.cdnselector.skycdp.com. |
| A | chat.sky.com | 24h | 193.195.115.17 |
| CNAME | demo.sky.com | 24h | level3.cdn.sky.com.c.footprint.net. |
| A | em0.sky.com | 24h | 80.238.9.245 |
| A | em1.sky.com | 24h | 80.238.9.246 |
| CNAME | gateway.sky.com | 24h | gateway.imp-sky.com.akadns.net. |
| CNAME | help.sky.com | 5m | help.sky.com.edgesuite.net. |
| A | id.sky.com | 24h | 80.238.9.177 |
| CNAME | imap.sky.com | 24h | imap-bskyb.mail.yahoo.com. |
| CNAME | mail.sky.com | 24h | pop.sky.com. |
| CNAME | mobile.sky.com | 5m | level3.cdn.sky.com.c.footprint.net. |
| CNAME | news.sky.com | 24h | news.sky.com.edgekey.net. |
| CNAME | pop.sky.com | 24h | pop-bskyb.mail.yahoo.com. |
| CNAME | safe.sky.com | 24h | cfvip4.paas.glb.sky.com. |
| CNAME | secure.sky.com | 1h | secure.sky.com.edgekey.net. |
| CNAME | shop.sky.com | 1h | shop-redirector.sky.com. |
| A | stage.sky.com | 24h |
90.216.128.5 90.223.232.124 |
| CNAME | www.sky.com | 24h | www.sky.com.edgekey.net. |
Good news, no warnings or errors were found.
We detected some possible recommendations for you to consider. No penalties were given for these, but resolving them can give you a higher DNS score.
- No IPv6 record has been found on the zone apex (sky.com). Consider enabling IPv6 in the infrastructure by adding an AAAA record on this domain.
Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.
- Single MX record but with multiple IPs associated to it.
- The MX record for "sky.com" has a long TTL (1h+).
- The NS records have a long TTL (1h+).
- Your SOA serial number follows the best practice YYYYMMDDxx format.
- SPF records have been found.
- SPF records are set up restrictively.
- DMARC records have been found.
- DMARC records are set up restrictively.
- Found a root (apex) DNS record.
- Found a www DNS record.
- The active nameservers match the NS records.
- The DNS records appear to be RFC compliant.
Have a look at other public DNS scans.