`phys5.gridzone.ru`

DNSSEC	⚠️ Not signed
A	195.70.219.5^{🇷🇺 ASN-SPBGU195.70.192.0/19 Saint-Petersburg State University University emb, 7/9 SU-199034, SPb, Russia}
		PTR	`phys5.gridzone.ru`
MX	`phys5.gridzone.ru` ⭐
		A	195.70.219.5^{🇷🇺 ASN-SPBGU195.70.192.0/19 Saint-Petersburg State University University emb, 7/9 SU-199034, SPb, Russia}
			PTR	`phys5.gridzone.ru`
TXT	`v=spf1 mx a -all`

`gridzone.ru`

	DNSSEC	⚠️ Not signed
	A	195.70.219.5^{🇷🇺 ASN-SPBGU195.70.192.0/19 Saint-Petersburg State University University emb, 7/9 SU-199034, SPb, Russia}
	NS	`ns.gridzone.ru` ⭐
	NS	`ce.phys.spbu.ru` ⚠️ Not in parent delegation
	NS	`ns.nw.ru`
	MX	`gridzone.ru` ⭐
	TXT	`v=spf1 mx a -all`
	SOA	`ns.gridzone.ru`mstep@mms.nw.ru 2024-10-29 #2

PTR for

5.219.70.195.in-addr.arpa

MX for

phys5.gridzone.ru

mms.nw.ru

DNS History

2 records (2 active, 0 former)

●MXphys5.gridzone.ru2016-06-24 → 2026-03-26 · 2 obs

● 2016-06-24 11:07:20
● 2026-03-26 17:44:00

●A195.70.219.52016-06-24 → 2026-03-26 · 2 obs

● 2016-06-24 11:07:20
● 2026-03-26 17:44:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
gridzone.ru	ns.gridzone.ru, ce.phys.spbu.ru, ns.nw.ru	2 records

✅ Authoritative Response

Server:91.151.176.18

NS records: ns.gridzone.ru, ce.phys.spbu.ru, ns.nw.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gridzone.ru (unsigned zone)

⏱️ Timing

Total: 1497ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.70.219.5`
MX	1	`phys5.gridzone.ru (pri: 1)`
TXT	1	`v=spf1 mx a -all`

📌 Glue Records Collected

Total: 2

In-bailiwick: 1 (ns.gridzone.ru)

Out-of-bailiwick: 1 (ns.nw.ru)

Analysis

Mail Server Role

phys5.gridzone.ru acts as the mail server for phys5.gridzone.ru and mms.nw.ru.

IP Addresses

phys5.gridzone.ru points to a single IP number: 195.70.219.5.

Other host names like gridzone.ru and mms.nw.ru share IP numbers with phys5.gridzone.ru.

Mail Servers

One mail server handles phys5.gridzone.ru.

phys5.gridzone.ru shares the same mail server setup as other domains, for example mms.nw.ru.

Host name phys5.gridzone.ru points to IP address 195.70.219.5.

phys5.gridzone.ru - robtex.com