`office-contractor.com`

DNSSEC	⚠️ Not signed
NS	`ns3.nic.ru` ⭐ ⚠️ Not in parent delegation
		A	194.85.61.20^{🇷🇺 RU-CENTER194.85.61.0/24 RUNIC}
			PTR	`ns3.nic.ru`
NS	`ns1.hc.ru` ⚠️ Not in zone NS records
		A	194.85.61.20^{🇷🇺 RU-CENTER194.85.61.0/24 RUNIC}
			PTR	`ns3.nic.ru`
NS	`ns2.hc.ru` ⚠️ Not in zone NS records
		A	194.226.96.8^{🇷🇺 RU-CENTER194.226.96.0/24 RUCENTER}
			PTR	`ns4.nic.ru`
NS	`ns4.nic.ru` ⚠️ Not in parent delegation
		A	194.226.96.8^{🇷🇺 RU-CENTER194.226.96.0/24 RUCENTER}
			PTR	`ns4.nic.ru`
NS	`ns8.nic.ru` ⚠️ Not in parent delegation
		A	193.232.130.14^{🇷🇺 RU-CENTER193.232.130.0/24}
			PTR	`ns8.nic.ru`
MX	`mx02.nicmail.ru` ⭐
		A	91.189.116.13^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.14^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.15^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.16^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
MX	`mx01.nicmail.ru`⁽¹⁰⁾
		A	91.189.116.13^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.14^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.15^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.16^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
MX	`mx03.nicmail.ru`⁽²⁰⁾
		A	91.189.116.16^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
TXT	`v=spf1 include:dc1.nicmail.ru include:dc2.nicmail.ru ?all`
SOA	`ns3.nic.ru`admin@office-contractor.com serial=1774967764

`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=1776275767

Same first word

office-contractor.com

DNS History

9 records (8 active, 1 former)

●NSns1.hc.ru2015-06-30 → 2026-04-15 · 2 obs

● 2015-06-30 19:27:48
● 2026-04-15 18:00:30

●NSns2.hc.ru2015-06-30 → 2026-04-15 · 2 obs

● 2015-06-30 19:27:48
● 2026-04-15 18:00:30

●NSns3.nic.ru2026-04-15 → 2026-04-15 · 2 obs

○ 2015-06-30 19:27:48
● 2026-04-15 18:00:30

●NSns4.nic.ru2026-04-15 → 2026-04-15 · 2 obs

○ 2015-06-30 19:27:48
● 2026-04-15 18:00:30

●NSns8.nic.ru2026-04-15 → 2026-04-15 · 2 obs

○ 2015-06-30 19:27:48
● 2026-04-15 18:00:30

●MXmx01.nicmail.ru2026-04-15 → 2026-04-15 · 1 obs

● 2026-04-15 18:00:30

●MXmx02.nicmail.ru2026-04-15 → 2026-04-15 · 1 obs

● 2026-04-15 18:00:30

●MXmx03.nicmail.ru2026-04-15 → 2026-04-15 · 1 obs

● 2026-04-15 18:00:30

○A79.174.73.1002015-06-30 → 2020-01-10 · 4 obs

● 2015-06-30 19:27:48
● 2020-01-10 10:28:20
○ 2026-03-18 11:08:08
○ 2026-04-15 18:00:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
office-contractor.com	ns1.hc.ru, ns2.hc.ru	-

✅ Authoritative Response

Server:194.85.61.20

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for office-contractor.com (unsigned zone)

⏱️ Timing

Total: 1209ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns8.nic.ru, ns3.nic.ru...`
MX	3	`mx01.nicmail.ru (pri: 10), mx02.nicmail.ru (pri: 5)...`
TXT	1	`v=spf1 include:dc1.nicmail.ru include:dc`
SOA	1	`ns3.nic.ru admin.office-contractor.com`

Analysis

Name Servers

office-contractor.com is delegated to five name servers: ns1.hc.ru, ns2.hc.ru, ns3.nic.ru, ns4.nic.ru and ns8.nic.ru.

office-contractor.com at least partially shares name servers with other domains, for example 203.64.210.178.in-addr.arpa, volga-port.ru, xn--90avm.xn--p1ai, 56.77.210.178.in-addr.arpa and si23.ru.

Name servers statuspage1.nic.ru, statuspage2.nic.ru, ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns8-cloud.nic.ru and ns8-l2.nic.ru are commonly used together.

Host names with one IP number:

ns1.hc.ru points to: 194.85.61.20.

ns2.hc.ru points to: 194.226.96.8.

ns3.nic.ru points to: 194.85.61.20.

ns4.nic.ru points to: 194.226.96.8.

ns8.nic.ru points to: 193.232.130.14.

Host names that point to 194.85.61.20: ns1.hc.ru and ns3.nic.ru.

Host names that point to 194.226.96.8: ns2.hc.ru and ns4.nic.ru.

Mail Servers

office-contractor.com is handled by three mail servers: mx01.nicmail.ru, mx02.nicmail.ru and mx03.nicmail.ru.

office-contractor.com shares at least partially some mail servers with other domains, for instance tisnum.ru, palargroup.ru, avto-batt.ru, rusmash-k.ru and h202523133.nichost.ru.