`mail.1sb.su`

DNSSEC	⚠️ Not signed
A	92.255.105.43^{🇷🇺 TimeWeb-AS92.255.105.0/24}
		PTR	`mail.1sb.su`
TXT	`v=spf1 include:_spf.timeweb.ru ~all`

`1sb.su`

	DNSSEC	⚠️ Not signed
	A	82.146.51.3^{🇷🇺 RU-JSCIOT82.146.50.0/23}
	NS	`ns1.timeweb.ru` ⭐
	NS	`ns2.timeweb.ru`
	NS	`ns3.timeweb.org`
	NS	`ns4.timeweb.org`
	MX	`mail.1sb.su` ⭐
	TXT	`v=spf1 mx a:mail.1sb.su ~all`
	SOA	`ns1.timeweb.ru`dns@timeweb.ru serial=2025053323

📈 Tranco rank: #865,750

PTR for

43.105.255.92.in-addr.arpa

MX for

1sb.su

Same first word

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DNS History

1 record (1 active, 0 former)

●A92.255.105.432026-03-22 → 2026-03-22 · 2 obs

● 2026-03-22 20:13:04
● 2026-03-22 22:20:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	b.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net...	10 records
1sb.su	ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org	-

✅ Authoritative Response

Server: 217.78.234.130

NS records: ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1sb.su (unsigned zone)

⏱️ Timing

Total: 1336ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`92.255.105.43`
TXT	1	`v=spf1 include:_spf.timeweb.ru ~all`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)

Analysis

Mail Server Role

mail.1sb.su serves as the mail server for 1sb.su.

IP Addresses

mail.1sb.su points to a single IP: 92.255.105.43.

mail.1sb.su - robtex.com

mail.1sb.su

1sb.su