`mx41.zub.ru`

DNSSEC	⚠️ Not signed
A	213.208.161.138^{🇷🇺 NAUKANET-AS213.208.160.0/21 Nauka-Svyaz}
		PTR	`mx41.zub.ru`

`zub.ru`

	DNSSEC	⚠️ Not signed
	A	95.129.232.55^{🇷🇺 DDOS-GUARD95.129.232.0/24 LTD}
	NS	`ns3-l2.nic.ru` ⭐
	NS	`ns4-cloud.nic.ru`
	NS	`ns4-l2.nic.ru`
	NS	`ns8-cloud.nic.ru`
	NS	`ns8-l2.nic.ru`
	MX	`mx41.zub.ru` ⭐
	MX	`mx42.zub.ru`⁽¹⁰⁾
	MX	`mx3.zub.ru`⁽²⁰⁾
	TXT	`v=spf1 ip4:31.13.20.2 ip4:213.208.161.138 ip4:185.236.210.105 -all`
	TXT	`google-site-verification=PtPTqHlpc3_w4MEsw94V9k6T6Rkc9zkvhJW8DmCuiPc`
	TXT	`_globalsign-domain-verification=BhAVI70MtsqVj-8fO5FR5FBBgfo4dP3p9EO3IMiOFS`
	TXT	`_globalsign-domain-verification=IXJdxS59CN3aqPj1ynPx1VJgpgCT_lTZPSEey9SpV5`
	TXT	`_globalsign-domain-verification=LEN_1D3SIa_As65KNLr53cnHc6pZU_Yx2V0-Yhgi4Q`
	TXT	`_globalsign-domain-verification=pioSLa9vbRMACix3xsGWzDDSQGPvjkamZrrKNrzyWC`
	SOA	`ns3-l2.nic.ru`dns@nic.ru 2018-11-19 #6

rank #724889 globally
rank #24828 in the tld
📈 Tranco rank: #229,192

PTR for

138.161.208.213.in-addr.arpa

4.20.13.31.in-addr.arpa

MX for

digithelp.ru

zub.ru

polyclinika.ru

medosmotri.ru

Same first word

mx41.com

Similar names

mx14.org

xm14.com

x4m1.com

mx14.com

xm41.com

DNS History

2 records (1 active, 1 former)

●A213.208.161.1382026-04-04 → 2026-05-10 · 3 obs

○ 2026-03-30 00:35:08
● 2026-04-04 20:56:28
● 2026-05-10 17:31:08

○A31.13.20.42026-03-15 → 2026-03-30 · 4 obs

● 2026-03-15 06:10:28
● 2026-03-30 00:35:08
○ 2026-04-04 20:56:28
○ 2026-05-10 17:31:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	e.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...	-
zub.ru	ns4-l2.nic.ru, ns4-cloud.nic.ru, ns8-l2.nic.ru, ns3-l2.nic.ru...	19 records

✅ Authoritative Response

Server:193.232.146.1

NS records: ns4-l2.nic.ru, ns4-cloud.nic.ru, ns8-l2.nic.ru, ns3-l2.nic.ru, ns8-cloud.nic.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zub.ru (unsigned zone)

⏱️ Timing

Total: 609ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.208.161.138`

📌 Glue Records Collected

Total: 19

Out-of-bailiwick: 19 (ns8-cloud.nic.ru, ns8-cloud.nic.ru, ns8-cloud.nic.ru...)

Analysis

Mail Server Role

mx41.zub.ru serves as the mail server for digithelp.ru, zub.ru, polyclinika.ru and medosmotri.ru.

Both mx3.zub.ru and mx42.zub.ru serve as mail servers together with mx41.zub.ru.

IP Addresses

mx41.zub.ru points to an IP address: 213.208.161.138.

Other host names, for instance mx20.digithelp.ru, share IP numbers with mx41.zub.ru.

mx41.zub.ru - robtex.com

mx41.zub.ru

zub.ru