`mail.bigsud.ru`

DNSSEC	⚠️ Not signed
A	193.168.131.128^{🇦🇪 SPRINTHOST193.168.131.0/24}
		PTR	`gjolp.from.sh`
TXT	`v=spf1 a mx ip4:193.168.131.128 ip4:193.168.131.128 ~all`

`bigsud.ru`

	DNSSEC	⚠️ Not signed
	A	193.168.131.128^{🇦🇪 SPRINTHOST193.168.131.0/24}
	NS	`ns1.sprinthost.ru` ⭐
	NS	`ns2.sprinthost.ru`
	NS	`ns3.sprinthost.net`
	NS	`ns4.sprinthost.net`
	MX	`mail.bigsud.ru` ⭐
	TXT	`v=spf1 a mx ip4:193.168.131.128 ~all`
	SOA	`ns1.sprinthost.ru`admin@sprinthost.ru 2026-05-24 #3

MX for

bigsud.ru

Same first word

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DNS History

3 records (1 active, 2 former)

○A141.8.192.632015-06-19 → 2016-02-03 · 4 obs

● 2015-06-19 10:12:12
● 2016-02-03 21:54:26
○ 2016-05-04 12:59:16
○ 2026-07-07 21:50:24

○A141.8.195.502016-05-04 → 2016-05-04 · 4 obs

○ 2016-02-03 21:54:26
● 2016-05-04 12:59:16
○ 2026-02-18 09:15:56
○ 2026-07-07 21:50:24

●A193.168.131.1282026-02-18 → 2026-07-07 · 3 obs

○ 2016-05-04 12:59:16
● 2026-02-18 09:15:56
● 2026-07-07 21:50:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	e.dns.ripn.net, a.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...	10 records
bigsud.ru	ns1.sprinthost.ru, ns2.sprinthost.ru, ns3.sprinthost.net, ns4.sprinthost.net	6 records

✅ Authoritative Response

Server:141.8.196.224

NS records: ns1.sprinthost.ru, ns2.sprinthost.ru, ns3.sprinthost.net, ns4.sprinthost.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bigsud.ru (unsigned zone)

⏱️ Timing

Total: 1342ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.168.131.128`
TXT	1	`v=spf1 a mx ip4:193.168.131.128 ip4:193.`

📌 Glue Records Collected

Total: 16

Out-of-bailiwick: 16 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)

Analysis

Mail Server Role

Mail for bigsud.ru is routed through the mail server mail.bigsud.ru.

IP Addresses

mail.bigsud.ru has exactly one IP address — 193.168.131.128.

mail.ldip.ru, bars-ad.ru, sivtr.ru plus two other host names have IP numbers in common with mail.bigsud.ru.

mail.bigsud.ru - robtex.com

mail.bigsud.ru

bigsud.ru