`mail.sky`

DNSSEC	⚠️ Not signed
NS	`ns0.isp.sky.com` ⭐
		A	90.207.238.101^{🇬🇧 BSKYB-BROADBAND-AS90.192.0.0/11 Sky Broadband}
			PTR	`ns0.isp.sky.com`
NS	`edns1.ultradns.biz`
		A	2610:a1:1015::201^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`edns1.ultradns.biz`
			PTR	`udns3.cscdns.net`
			PTR	`udns3.cscdns.uk`
		A	204.74.67.1^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns1.ultradns.biz`
			PTR	`udns3.cscdns.net`
			PTR	`udns3.cscdns.uk`
NS	`edns1.ultradns.com`
		A	2001:502:f3ff::201^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
		A	204.74.66.1^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`ns1.alba.bank`
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
NS	`edns1.ultradns.net`
		A	2610:a1:1014::201^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`udns4.cscdns.net`
			PTR	`edns1.ultradns.net`
			PTR	`udns4.cscdns.uk`
		A	204.74.110.1^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`udns4.cscdns.net`
			PTR	`edns1.ultradns.net`
			PTR	`udns4.cscdns.uk`
NS	`edns1.ultradns.org`
		A	2001:502:4612::201^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`
		A	204.74.111.1^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`ns2.alba.bank`
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`
NS	`ns1.isp.sky.com`
		A	90.207.238.102^{🇬🇧 BSKYB-BROADBAND-AS90.192.0.0/11 Sky Broadband}
			PTR	`ns1.isp.sky.com`
SOA	`ns0.isp.sky.com`hostmaster@isp.sky.com 2026-03-02 #1

`sky`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns1.nic.sky` ⭐
	NS	`dns2.nic.sky`
	NS	`dns3.nic.sky`
	NS	`dns4.nic.sky`
	NS	`dnsa.nic.sky`
	NS	`dnsb.nic.sky`
	NS	`dnsc.nic.sky`
	NS	`dnsd.nic.sky`
	SOA	`dns1.nic.sky`hostmaster@nominet.org.uk serial=1777651573

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DNS History

6 records (6 active, 0 former)

●NSedns1.ultradns.biz2026-05-29 → 2026-05-30 · 2 obs

● 2026-05-29 11:38:42
● 2026-05-30 11:15:54

●NSedns1.ultradns.com2026-05-29 → 2026-05-30 · 2 obs

● 2026-05-29 11:38:42
● 2026-05-30 11:15:54

●NSedns1.ultradns.net2026-05-29 → 2026-05-30 · 2 obs

● 2026-05-29 11:38:42
● 2026-05-30 11:15:54

●NSedns1.ultradns.org2026-05-29 → 2026-05-30 · 2 obs

● 2026-05-29 11:38:42
● 2026-05-30 11:15:54

●NSns0.isp.sky.com2026-05-29 → 2026-05-30 · 2 obs

● 2026-05-29 11:38:42
● 2026-05-30 11:15:54

●NSns1.isp.sky.com2026-05-29 → 2026-05-30 · 2 obs

● 2026-05-29 11:38:42
● 2026-05-30 11:15:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sky	dns1.nic.sky, dns2.nic.sky, dns3.nic.sky, dns4.nic.sky...	16 records
mail.sky	ns0.isp.sky.com, ns1.isp.sky.com, edns1.ultradns.biz, edns1.ultradns.com...	-

✅ Authoritative Response

Server:90.207.238.102

NS records: ns0.isp.sky.com, ns1.isp.sky.com, edns1.ultradns.biz, edns1.ultradns.com, edns1.ultradns.net, edns1.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mail.sky (unsigned zone)

⏱️ Timing

Total: 1396ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	6	`ns0.isp.sky.com, ns1.isp.sky.com...`
SOA	1	`ns0.isp.sky.com hostmaster.isp.sky.com`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (dns1.nic.sky, dns1.nic.sky, dns2.nic.sky...)

Analysis

Name Servers

mail.sky is served by 6 authoritative name servers: edns1.ultradns.biz, edns1.ultradns.com, edns1.ultradns.net and three additional ones.

There is at least partial name server overlap between mail.sky and other domains — skybingoslot.eu, skynwn.com, gettoknowcareplus.com and two more among them.

edns1.ultradns.org, ns0.isp.sky.com and ns1.isp.sky.com — plus seven other name servers — are routinely found together with these name servers.

Hosts with two IP numbers each:

edns1.ultradns.biz directs traffic to 204.74.67.1 and 2610:a1:1015::201.

edns1.ultradns.com directs traffic to 204.74.66.1 and 2001:502:f3ff::201.

edns1.ultradns.net directs traffic to 204.74.110.1 and 2610:a1:1014::201.

edns1.ultradns.org directs traffic to 204.74.111.1 and 2001:502:4612::201.

Host names with one IP number:

ns0.isp.sky.com has the IP address 90.207.238.101.

ns1.isp.sky.com has the IP address 90.207.238.102.