mail.stackoverflow.ir - dns.ninja

`mail.stackoverflow.ir`

CNAME	`domain.mail.yandex.net`
CNAME	`mail.yandex.ru`
DNSSEC	⚠️ Not signed
A	2a02:6b8::a4^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
		PTR	`mail-yandex-ru-production-external.stable.qloud-b.yandex.net`
A	77.88.21.37^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
NS	`ns3.yandex.ru` ⭐
		A	2a02:6b8::1001^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`ns3.yandex.ru`
		A	87.250.250.1^{🇷🇺 TELETECH87.250.224.0/19 Yandex network}
			PTR	`ns3.yandex.ru`
NS	`ns4.yandex.ru`
		A	2a02:6b8:0:1::1:1^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`ns4.yandex.ru`
		A	77.88.21.1^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`ns4.yandex.ru`
MX	`mx.yandex.ru` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`google-site-verification=nDqpeshiROB8mM_RiyqO01xkpebe6eiweTxpX6vx8lk`
TXT	`mailru-verification: de5e58bac797a76d`
TXT	`v=spf1 redirect=_spf.yandex.net`
TXT	`yandex-verification: bee56b4396205cc2`
SOA	`ns3.yandex.ru`sysadmin@yandex.ru serial=1781394862

`stackoverflow.ir`

	DNSSEC	⚠️ Not signed
	NS	`fred.ns.cloudflare.com` ⚠️ Not in zone NS records
	NS	`lola.ns.cloudflare.com` ⚠️ Not in zone NS records

Previously MX for

stackoverflow.ir

Same first word

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mail.ps

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mail.gouv.ci

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DNS History

2 records (1 active, 1 former)

○A23.91.123.1292015-05-24 → 2015-05-24 · 3 obs

● 2015-05-24 09:15:16
○ 2026-06-14 00:03:16
○ 2026-06-14 00:03:18

●CNAMEdomain.mail.yandex.net2026-06-14 → 2026-06-14 · 2 obs

● 2026-06-14 00:03:16
● 2026-06-14 00:03:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ir	d.nic.ir, c.nic.ir, a.nic.ir, b.nic.ir	8 records
stackoverflow.ir	lola.ns.cloudflare.com, fred.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.113

NS records: lola.ns.cloudflare.com, fred.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at ir: Error: DNS query timeout: 193.189.123.2 for DNSKEY ir

⏱️ Timing

Total: 3994ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`domain.mail.yandex.net`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.nic.ir, b.nic.ir, c.nic.ir...)

Analysis

IP Addresses

mail.stackoverflow.ir points to two IP numbers: 77.88.21.37 and 2a02:6b8::a4.

Additional host names — mail.varioparke.net, mail.yandex.lv, mail.yandex.lt and two others — share IP numbers with mail.stackoverflow.ir.

Name Servers

mail.stackoverflow.ir has two authoritative name servers — ns3.yandex.ru and ns4.yandex.ru.

mail.stackoverflow.ir shares its name server setup with other domains, including 219.180.213.in-addr.arpa, push.yandex.kz, 132.158.93.in-addr.arpa and two others.

mail.stackoverflow.ir at least partially shares name servers with other domains, for instance mon.yandex.net, net.yandex.net and qloud.yandex.net.

Both ns3.yandex.ru and ns4.yandex.ru have two IP addresses each. ns3.yandex.ru resolves to 87.250.250.1 and 2a02:6b8::1001; ns4.yandex.ru resolves to 77.88.21.1 and 2a02:6b8:0:1::1:1.

Mail Servers

mail.stackoverflow.ir has one mail server: mx.yandex.ru.

mail.stackoverflow.ir shares the same mail server setup as other domains, including master-elec.ru, caddesign.ru, prodpo.ru and two others.

mail.stackoverflow.ir shares mail servers — at least in part — with other domains, including code-pilots.com, netragroup.ru, cobaka.by and two others.

These mail servers are frequently seen alongside the mail servers mx.yandex.net.

mx.yandex.ru directs to two IP numbers, 77.88.21.249 and 2a02:6b8::311.