mail.codinghard.com - dns.ninja

`mail.codinghard.com`

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	`mailru-verification: de5e58bac797a76d`
TXT	`v=spf1 redirect=_spf.yandex.net`
TXT	`yandex-verification: bee56b4396205cc2`
TXT	`google-site-verification=nDqpeshiROB8mM_RiyqO01xkpebe6eiweTxpX6vx8lk`
SOA	`ns3.yandex.ru`sysadmin@yandex.ru serial=1783764660

`codinghard.com`

	DNSSEC	⚠️ Not signed
	A	104.198.14.52^{🇺🇸 Google104.198.0.0/20}
	NS	`ns1.digitalocean.com` ⭐
	NS	`ns2.digitalocean.com`
	NS	`ns3.digitalocean.com` ⚠️ Not in parent delegation
	MX	`mx.yandex.net` ⭐
	TXT	`v=spf1 redirect=_spf.yandex.net`
	TXT	`google-site-verification=DLul54_ur0a5mvRnMdDVxfURcL0HY09kNWylmLt3xJ0`
	TXT	`yandex-verification: 8132d8a3eda8c6aa`
	SOA	`ns1.digitalocean.com`hostmaster@codinghard.com serial=0

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DNS History

29 records (1 active, 28 former)

○NSns1.linode.com2015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 19:01:14
○ 2016-02-23 14:52:48
○ 2026-07-11 10:25:44

○NSns2.linode.com2015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 19:01:14
○ 2016-02-23 14:52:48
○ 2026-07-11 10:25:44

○NSns3.linode.com2015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 19:01:14
○ 2016-02-23 14:52:48
○ 2026-07-11 10:25:44

○NSns4.linode.com2015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 19:01:14
○ 2016-02-23 14:52:48
○ 2026-07-11 10:25:44

○NSns5.linode.com2015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 19:01:14
○ 2016-02-23 14:52:48
○ 2026-07-11 10:25:44

○A173.194.67.1212015-11-22 → 2015-11-22 · 4 obs

○ 2015-08-01 05:11:56
● 2015-11-22 19:01:14
○ 2016-02-23 14:52:48
○ 2026-07-11 10:25:44

○A173.194.79.1212015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A2404:6800:4003:c01::792015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A2404:6800:4008:c02::792015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A2404:6800:4008:c03::792015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A2607:f8b0:400d:c03::792015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A2607:f8b0:400e:c01::792015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A2607:f8b0:400e:c04::792015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A2800:3f0:4003:c00::792015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A2a00:1450:400b:c02::792015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A2a00:1450:400c:c01::792016-02-23 → 2016-02-23 · 4 obs

○ 2015-11-22 19:01:14
● 2016-02-23 14:52:48
○ 2016-05-04 14:47:48
○ 2026-07-11 10:25:44

○A2a00:1450:400c:c05::792015-11-22 → 2015-11-22 · 4 obs

○ 2015-08-01 05:11:56
● 2015-11-22 19:01:14
○ 2016-02-23 14:52:48
○ 2026-07-11 10:25:44

○A2a00:1450:400c:c09::792016-05-04 → 2016-05-04 · 3 obs

○ 2016-02-23 14:52:48
● 2016-05-04 14:47:48
○ 2026-07-11 10:25:44

○A64.233.166.1212016-05-04 → 2016-05-04 · 3 obs

○ 2016-02-23 14:52:48
● 2016-05-04 14:47:48
○ 2026-07-11 10:25:44

○A64.233.171.1212015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A64.233.186.1212015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A74.125.130.1212015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A74.125.195.1212016-02-23 → 2016-02-23 · 4 obs

○ 2015-11-22 19:01:14
● 2016-02-23 14:52:48
○ 2016-05-04 14:47:48
○ 2026-07-11 10:25:44

○A74.125.203.1212015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A74.125.23.1212015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A74.125.24.1212015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

○A74.125.28.1212015-08-01 → 2015-08-01 · 2 obs

● 2015-08-01 05:11:56
○ 2026-07-11 10:25:44

●CNAMEdomain.mail.yandex.net2026-07-11 → 2026-07-11 · 2 obs

○ 2016-05-04 14:47:48
● 2026-07-11 10:25:44

○CNAMEghs.googlehosted.com2015-08-01 → 2016-05-04 · 3 obs

● 2015-08-01 05:11:56
● 2016-05-04 14:47:48
○ 2026-07-11 10:25:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
codinghard.com	ns1.digitalocean.com, ns2.digitalocean.com	2 records

✅ Authoritative Response

Server:172.64.53.21

NS records: ns1.digitalocean.com, ns2.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codinghard.com (unsigned zone)

⏱️ Timing

Total: 310ms | Queries: -

📄 Records

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

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.digitalocean.com, ns2.digitalocean.com)

Analysis

IP Addresses

mail.codinghard.com points to the IP addresses 77.88.21.37 and 2a02:6b8::a4

Two other host names, along with _dc-mx.309749700414.barooc.com, mail.transclass.ru and mail.yandex.ru, also share IP numbers with mail.codinghard.com.

Name Servers

mail.codinghard.com has two authoritative name servers — ns3.yandex.ru and ns4.yandex.ru.

mail.codinghard.com shares its NS records with other domains, for example yandexsport.com, 227.250.87.in-addr.arpa, 157.8.141.in-addr.arpa and two others.

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

The sole mail server for mail.codinghard.com is mx.yandex.ru.

Among the domains sharing a mail server setup with mail.codinghard.com are grinder-man.ru, klsd.ru, nbelov.ru and two others.

The mail servers of mail.codinghard.com overlap at least partially with those of other domains, including garants-stroy.ru, 5181.ru and askaron.ru.

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