key2u.com - dns.ninja

`key2u.com`

DNSSEC	⚠️ Not signed
A	2a01:2c0:a:422:1::15e^{🇬🇧 BINK2a01:2c0::/32 FIDONET}
A	93.188.181.10^{🇬🇧 BINK93.188.180.0/22}
NS	`ns1.server.fido.net` ⭐ ⚠️ Not in parent delegation
		A	2a01:2c0:a::1:53^{🇬🇧 BINK2a01:2c0::/32 FIDONET}
			PTR	`ns1.server.fido.net`
		A	84.246.192.54^{🇬🇧 BINK84.246.192.0/22}
			PTR	`ns1.server.fido.net`
NS	`ns0.fidonet.com` ⚠️ Not in zone NS records
		A	2a01:2c0:a::53^{🇬🇧 BINK2a01:2c0::/32 FIDONET}
			PTR	`ns0.server.fido.net`
		A	84.246.192.53^{🇬🇧 BINK84.246.192.0/22}
			PTR	`ns0.server.fido.net`
NS	`ns1.fidonet.com` ⚠️ Not in zone NS records
		A	2a01:2c0:23db::53^{🇬🇧 OFFICENET2a01:2c0:23db::/48}
			PTR	`ns4.server.fido.net`
		A	192.88.83.53^{🇬🇧 OFFICENET192.88.83.0/24}
			PTR	`ns4.server.fido.net`
NS	`ns2.server.fido.net` ⚠️ Not in parent delegation
		A	2a01:2c0:a:200::53^{🇬🇧 BINK2a01:2c0::/32 FIDONET}
		A	194.70.36.53^{🇬🇧 BINK194.70.36.0/24 Fido.Net Access Network}
			PTR	`ns2.server.fido.net`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
TXT	`google-site-verification=h6-Sy582Dz2SvjZetHbgnSo5REyBk90fTLm-dSfyFPk`
TXT	`v=spf1 +a +mx/23 include:smtp.fido.net include:_spf.google.com -all`
SOA	`ns1.server.fido.net`faults@fido.net 2026-05-05 #4

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786501044

Subdomains

mail.key2u.com

www.key2u.com

Same first word

key2u.com

key2u.co.uk

Similar names

u2key.com

DNS History

19 records (7 active, 12 former)

○NSns0.fidonet.co.uk2016-07-03 → 2016-07-03 · 4 obs

○ 2016-03-07 15:39:52
● 2016-07-03 03:50:06
○ 2018-06-19 23:02:52
○ 2026-08-12 02:33:06

●NSns0.fidonet.com2018-06-19 → 2026-08-12 · 3 obs

○ 2016-07-03 03:50:06
● 2018-06-19 23:02:52
● 2026-08-12 02:33:06

○NSns0.server.fido.net2015-07-18 → 2016-07-03 · 5 obs

○ 2007-10-29 15:18:58
● 2015-07-18 20:11:38
● 2016-07-03 03:50:06
○ 2018-06-19 23:02:52
○ 2026-08-12 02:33:06

○NSns1.fidonet.co.uk2016-07-03 → 2016-07-03 · 4 obs

○ 2016-03-07 15:39:52
● 2016-07-03 03:50:06
○ 2018-06-19 23:02:52
○ 2026-08-12 02:33:06

●NSns1.fidonet.com2018-06-19 → 2026-08-12 · 3 obs

○ 2016-07-03 03:50:06
● 2018-06-19 23:02:52
● 2026-08-12 02:33:06

●NSns1.server.fido.net2015-07-18 → 2026-08-12 · 7 obs

○ 2007-10-29 15:18:58
● 2015-07-18 20:11:38
● 2016-03-07 15:39:52
○ 2016-07-03 03:50:06
○ 2018-06-19 23:02:52
● 2026-02-24 10:06:16
● 2026-08-12 02:33:06

○NSns2.onlinenic.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 15:18:58
○ 2015-07-18 20:11:38
○ 2026-08-12 02:33:06

●NSns2.server.fido.net2015-07-18 → 2026-08-12 · 6 obs

○ 2007-10-29 15:18:58
● 2015-07-18 20:11:38
● 2016-07-03 03:50:06
○ 2018-06-19 23:02:52
● 2026-02-24 10:06:16
● 2026-08-12 02:33:06

○NSns3.onlinenic.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 15:18:58
○ 2015-07-18 20:11:38
○ 2026-08-12 02:33:06

○NSns4.server.fido.net2015-07-18 → 2016-07-03 · 5 obs

○ 2007-10-29 15:18:58
● 2015-07-18 20:11:38
● 2016-07-03 03:50:06
○ 2018-06-19 23:02:52
○ 2026-08-12 02:33:06

○MXgrey-area.mailhostingserver.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 15:18:58
○ 2015-07-18 20:11:38
○ 2026-08-12 02:33:06

○MXmail.key2u.com2015-07-18 → 2026-05-03 · 5 obs

○ 2007-10-29 15:18:58
● 2015-07-18 20:11:38
● 2026-05-03 15:59:04
○ 2026-05-11 06:30:58
○ 2026-08-12 02:33:06

●MXsmtp.google.com2026-05-11 → 2026-08-12 · 3 obs

○ 2026-05-03 15:59:04
● 2026-05-11 06:30:58
● 2026-08-12 02:33:06

○A209.85.84.1672007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 15:18:58
○ 2015-07-18 20:11:38
○ 2026-08-12 02:33:06

○A2a01:2c0:a:411:230:48ff:fe61:d1082015-07-18 → 2016-07-03 · 5 obs

○ 2007-10-29 15:18:58
● 2015-07-18 20:11:38
● 2016-07-03 03:50:06
○ 2018-06-19 23:02:52
○ 2026-08-12 02:33:06

●A2a01:2c0:a:422:1::15e2026-02-24 → 2026-08-12 · 3 obs

○ 2018-06-19 23:02:52
● 2026-02-24 10:06:16
● 2026-08-12 02:33:06

○A2a01:2c0:a:422:1::fd2018-06-19 → 2018-06-19 · 4 obs

○ 2016-07-03 03:50:06
● 2018-06-19 23:02:52
○ 2026-02-24 10:06:16
○ 2026-08-12 02:33:06

○A93.188.180.502015-07-18 → 2016-07-03 · 5 obs

○ 2007-10-29 15:18:58
● 2015-07-18 20:11:38
● 2016-07-03 03:50:06
○ 2018-06-19 23:02:52
○ 2026-08-12 02:33:06

●A93.188.181.102018-06-19 → 2026-08-12 · 3 obs

○ 2016-07-03 03:50:06
● 2018-06-19 23:02:52
● 2026-08-12 02:33:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
key2u.com	ns0.fidonet.com, ns1.fidonet.com	4 records

✅ Authoritative Response

Server:192.88.83.53

NS records: ns0.fidonet.com, ns1.fidonet.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for key2u.com (unsigned zone)

⏱️ Timing

Total: 343ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.188.181.10`
AAAA	1	`2a01:2c0:a:422:1::15e`
NS	2	`ns1.server.fido.net, ns2.server.fido.net`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=h6-Sy582Dz2SvjZ, v=spf1 +a +mx/23 include:smtp.fido.net i`
SOA	1	`ns1.server.fido.net faults.fido.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns0.fidonet.com, ns0.fidonet.com, ns1.fidonet.com...)

Analysis

Hierarchy

mail.key2u.com and www.key2u.com each fall under key2u.com as their parent domain.

IP Addresses

key2u.com resolves to the IP addresses 93.188.181.10 and 2a01:2c0:a:422:1::15e

Two other host names, along with newtom.co.uk, web-21.server.fido.net and funkythinking.com, also share IP numbers with key2u.com.

Name Servers

The NS records for key2u.com point to four name servers: ns0.fidonet.com, ns1.fidonet.com, ns1.server.fido.net and ns2.server.fido.net.

key2u.com partially shares its NS delegation with several other domains, including blackharbor.net, essexsystems.co.uk, spamcloud.net and two others.

The name servers ns4.server.fido.net, ns0.server.fido.net, ns0.fidonet.co.uk and ns1.fidonet.co.uk are often found in use alongside these name servers.

ns0.fidonet.com, ns1.fidonet.com, ns1.server.fido.net and ns2.server.fido.net each carry two IP addresses. ns0.fidonet.com has 84.246.192.53 and 2a01:2c0:a::53; ns1.fidonet.com has 192.88.83.53 and 2a01:2c0:23db::53; ns1.server.fido.net has 84.246.192.54 and 2a01:2c0:a::1:53; ns2.server.fido.net has 194.70.36.53 and 2a01:2c0:a:200::53.

Mail Servers

The sole mail server for key2u.com is smtp.google.com.

Among the domains sharing a mail server setup with key2u.com are scandispa.com, newfieldnetwork.com, corkup.es and two others.

There is at least a partial MX overlap between key2u.com and other domains, including nicoleshousekeeping.com, smartseas.ai, watnikrot.ac.th and two others.

These mail servers frequently co-occur with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

With 9 IP addresses total, smtp.google.com resolves to 142.251.16.26, 142.251.16.27, 142.251.111.27 and 6 others.