mail.returnzlab.net - robtex.com

mail.returnzlab.net

DNSSEC⚠️ Not signed
A199.2.137.201🇺🇸 COGENT199.0.0.0/14 SprintLink
MXmail.returnzlab.net ⭐
A199.2.137.201🇺🇸 COGENT199.0.0.0/14 SprintLink

returnzlab.net

DNSSEC⚠️ Not signed
A199.2.137.201🇺🇸 COGENT199.0.0.0/14 SprintLink
NSns054a.microsoftinternetsafety.net ⭐ ⚠️ Not in parent delegation
NSns001.microsoftinternetsafety.net ⚠️ Not in parent delegation
NSns002.microsoftinternetsafety.net ⚠️ Not in parent delegation
NSns054b.microsoftinternetsafety.net ⚠️ Not in parent delegation
NSns3.microsoftinternetsafety.net ⚠️ Not in zone NS records
NSns4.microsoftinternetsafety.net ⚠️ Not in zone NS records
MXmail.returnzlab.net ⭐
SOANS054A.microsoftinternetsafety.netazuredns-hostmaster@microsoft.com serial=1
⚠️ On DNS blocklist: tif

MX for

returnzlab.net
mail.returnzlab.net

Same first word

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DNS History

2 records (2 active, 0 former)

MXmail.returnzlab.netA199.2.137.201
●MXmail.returnzlab.net2026-03-24 → 2026-05-14 · 2 obs
● 2026-03-24 06:14:20
● 2026-05-14 03:28:06
●A199.2.137.2012026-03-24 → 2026-05-14 · 2 obs
● 2026-03-24 06:14:20
● 2026-05-14 03:28:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netd.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net...-
returnzlab.netns3.microsoftinternetsafety.net, ns4.microsoftinternetsafety.net4 records

✅ Authoritative Response

Server:13.107.206.41

NS records: ns3.microsoftinternetsafety.net, ns4.microsoftinternetsafety.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for returnzlab.net (unsigned zone)

⏱️ Timing

Total: 149ms | Queries: -

📄 Records

TypeCountSample Data
A1199.2.137.201
MX1mail.returnzlab.net (pri: 10)

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.microsoftinternetsafety.net, ns3.microsoftinternetsafety.net, ns4.microsoftinternetsafety.net...)

Analysis

Mail Server Role

mail.returnzlab.net serves as the mail server for returnzlab.net and mail.returnzlab.net.

IP Addresses

mail.returnzlab.net points to a single IP number: 199.2.137.201.

other host names for instance mail.fsafs4215254.be, kissthesunthere.ru, mail.variousmore.biz, mail.colexphoto98.ru and mail.trust-relations.biz share IP numbers with mail.returnzlab.net.

Mail Servers

One mail server handles mail.returnzlab.net.

mail.returnzlab.net shares the same mail server setup as other domains, for example returnzlab.net.

Host name mail.returnzlab.net points to IP address 199.2.137.201.