mail.grehmc.com - robtex.com

mail.grehmc.com

DNSSEC⚠️ Not signed
A54.86.81.229🇺🇸 Amazon54.86.0.0/16 EC2 IAD prefix
PTRnginx.c1.e.node.sfs.io

grehmc.com

DNSSEC⚠️ Not signed
A54.86.81.229🇺🇸 Amazon54.86.0.0/16 EC2 IAD prefix
NSns35.worldnic.com ⭐
NSns36.worldnic.com
MXgrehmc-com.mail.protection.outlook.com ⭐
TXTknowbe4-site-verification=7be952f1d2bebaf544a3aca76b6ca8ec
TXTMS=ms97316306
TXTv=spf1 include:spf.protection.outlook.com -all
SOANS35.WORLDNIC.comnamehost@WORLDNIC.com serial=123091216

Previously MX for

grehmc.com

Same first word

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mail.holiday
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mail.ma
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DNS History

2 records (1 active, 1 former)

201820192020202120222023202420252026A54.86.81.22969.18.14.60
●A54.86.81.2292026-02-28 → 2026-05-14 · 6 obs
○ 2017-10-09 20:14:28
● 2026-02-28 21:41:56
● 2026-05-02 03:29:18
○ 2026-05-04 22:24:34
● 2026-05-14 06:49:18
● 2026-05-14 06:49:20
○A69.18.14.602017-10-09 → 2017-10-09 · 3 obs
● 2017-10-09 20:14:28
○ 2026-02-28 21:41:56
○ 2026-05-14 06:49:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
grehmc.comns35.worldnic.com, ns36.worldnic.com2 records

✅ Authoritative Response

Server:162.159.27.146

NS records: ns35.worldnic.com, ns36.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grehmc.com (unsigned zone)

⏱️ Timing

Total: 231ms | Queries: -

📄 Records

TypeCountSample Data
A154.86.81.229

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns35.worldnic.com, ns36.worldnic.com)

Analysis

IP Addresses

mail.grehmc.com points to a single IP number: 54.86.81.229.

other host names for instance ns.aucellos.com, a-zroofingsolutions.com, 1funcity.com, newaldaya.org and nacontractors.com share IP numbers with mail.grehmc.com.