itc.su - dns.ninja

`itc.su`

DNSSEC	⚠️ Not signed
A	2001:470:7240::^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
		PTR	`ipv6.cns.su`
A	88.198.54.22^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
NS	`ns1.domenus.ru` ⭐
NS	`ns2.domenus.ru`
MX	`mx.cns.su` ⭐
		A	2001:470:7240::^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ipv6.cns.su`
MX	`a.mx.cns.su`⁽¹⁰⁾
		A	88.198.54.22^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`static.88-198-54-22.clients.your-server.de`
MX	`itc.su`⁽⁴⁶⁾
		A	2001:470:7240::^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ipv6.cns.su`
		A	88.198.54.22^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`static.88-198-54-22.clients.your-server.de`
MX	`s.mx.cns.su`⁽⁹⁹⁾
		A	88.198.54.27^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`static.88-198-54-27.clients.your-server.de`
TXT	`v=spf1 a mx -all`
SOA	`ns1.domenus.ru`support@domenus.ru 2017-08-23 #39

`su`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=650209831

MX for

itc.su

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DNS History

15 records (8 active, 7 former)

●NSns1.domenus.ru2026-02-15 → 2026-07-14 · 3 obs

○ 2017-06-09 16:07:30
● 2026-02-15 22:02:58
● 2026-07-14 10:08:54

●NSns2.domenus.ru2026-02-15 → 2026-07-14 · 3 obs

○ 2017-06-09 16:07:30
● 2026-02-15 22:02:58
● 2026-07-14 10:08:54

○NSns3.nic.ru2015-06-17 → 2017-06-09 · 4 obs

● 2015-06-17 21:44:44
● 2017-06-09 16:07:30
○ 2026-02-15 22:02:58
○ 2026-07-14 10:08:54

○NSns4.nic.ru2015-06-17 → 2017-06-09 · 4 obs

● 2015-06-17 21:44:44
● 2017-06-09 16:07:30
○ 2026-02-15 22:02:58
○ 2026-07-14 10:08:54

○NSns8.nic.ru2015-06-17 → 2017-06-09 · 4 obs

● 2015-06-17 21:44:44
● 2017-06-09 16:07:30
○ 2026-02-15 22:02:58
○ 2026-07-14 10:08:54

●MXa.mx.cns.su2026-02-15 → 2026-07-14 · 3 obs

○ 2017-06-09 16:07:30
● 2026-02-15 22:02:58
● 2026-07-14 10:08:54

●MXitc.su2026-02-15 → 2026-07-14 · 3 obs

○ 2017-06-09 16:07:30
● 2026-02-15 22:02:58
● 2026-07-14 10:08:54

●MXmx.cns.su2026-02-15 → 2026-07-14 · 3 obs

○ 2017-06-09 16:07:30
● 2026-02-15 22:02:58
● 2026-07-14 10:08:54

○MXmx01.nicmail.ru2015-06-17 → 2017-06-09 · 4 obs

● 2015-06-17 21:44:44
● 2017-06-09 16:07:30
○ 2026-02-15 22:02:58
○ 2026-07-14 10:08:54

○MXmx02.nicmail.ru2015-06-17 → 2017-06-09 · 4 obs

● 2015-06-17 21:44:44
● 2017-06-09 16:07:30
○ 2026-02-15 22:02:58
○ 2026-07-14 10:08:54

○MXmx03.nicmail.ru2015-06-17 → 2017-06-09 · 4 obs

● 2015-06-17 21:44:44
● 2017-06-09 16:07:30
○ 2026-02-15 22:02:58
○ 2026-07-14 10:08:54

●MXs.mx.cns.su2026-02-15 → 2026-07-14 · 3 obs

○ 2017-06-09 16:07:30
● 2026-02-15 22:02:58
● 2026-07-14 10:08:54

●A2001:470:7240::2026-02-15 → 2026-07-14 · 3 obs

○ 2017-06-09 16:07:30
● 2026-02-15 22:02:58
● 2026-07-14 10:08:54

○A212.193.227.852015-06-17 → 2017-06-09 · 4 obs

● 2015-06-17 21:44:44
● 2017-06-09 16:07:30
○ 2026-02-15 22:02:58
○ 2026-07-14 10:08:54

●A88.198.54.222026-02-15 → 2026-07-14 · 3 obs

○ 2017-06-09 16:07:30
● 2026-02-15 22:02:58
● 2026-07-14 10:08:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	10 records
itc.su	ns2.domenus.ru, ns1.domenus.ru	-

✅ Authoritative Response

Server:77.87.208.8

NS records: ns2.domenus.ru, ns1.domenus.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itc.su (unsigned zone)

⏱️ Timing

Total: 4315ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.198.54.22`
AAAA	1	`2001:470:7240::`
NS	2	`ns2.domenus.ru, ns1.domenus.ru`
MX	4	`mx.Cns.su (pri: 6), s.mx.Cns.su (pri: 99)...`
TXT	1	`v=spf1 a mx -all`
SOA	1	`ns1.domenus.ru support.domenus.ru`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)

Analysis

Mail Server Role

itc.su acts as its own mail server.

mx.cns.su, a.mx.cns.su and s.mx.cns.su are frequently seen as mail servers alongside itc.su.

IP Addresses

itc.su resolves to the IP addresses 88.198.54.22 and 2001:470:7240::

Additional host names — mx.bmap.su, 4s.su, bgp.su and two others — share IP numbers with itc.su.

Name Servers

itc.su is served by two delegated name servers, ns1.domenus.ru and ns2.domenus.ru.

itc.su shares its name server setup with other domains, including r-gun.ru, turizm1.ru, linkfire.ru and two others.

itc.su shares at least some of its name servers with other domains, such as bloc.su and seolit.ru.

Mail Servers

Mail for itc.su is handled by four mail servers, specifically itc.su, mx.cns.su, a.mx.cns.su and s.mx.cns.su.

itc.su shares mail servers — at least in part — with other domains, including cnst.su, line.su, constantine.su and two others.

These mail servers are frequently paired with the mail servers netbsd.su, haz.su, w-w.su and bmi.su.

Host names with two IP numbers:

itc.su maps to two IP addresses — 88.198.54.22 and 2001:470:7240::.

Host names pointing to a single IP address:

mx.cns.su points to the IP address 2001:470:7240::.

a.mx.cns.su points to the IP address 88.198.54.22.

s.mx.cns.su points to the IP address 88.198.54.27.

These two host names — itc.su and mx.cns.su — each point to 2001:470:7240:: IP addresses.

These two host names — itc.su and a.mx.cns.su — each point to 88.198.54.22 IP addresses.