mail.nerdma.com - robtex.com

mail.nerdma.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:1f13🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:aea6🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.31.19Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.174.166🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.31.19, 172.67.174.166
IPv6 hints2606:4700:3030::6815:1f13, 2606:4700:3031::ac43:aea6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=79, name=cloudflare-ech.com

nerdma.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:1f13🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:aea6🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.31.19Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.174.166🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgigi.ns.cloudflare.com ⭐
NSgraham.ns.cloudflare.com
MXmail.nerdma.com ⭐
TXTv=spf1 include:spf.aserv.co.za ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.31.19, 172.67.174.166
IPv6 hints2606:4700:3030::6815:1f13, 2606:4700:3031::ac43:aea6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=79, name=cloudflare-ech.com
SOAgigi.ns.cloudflare.comdns@cloudflare.com serial=2408850410

MX for

nerdma.com

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DNS History

5 records (4 active, 1 former)

A104.21.31.19172.67.174.1662606:4700:3030::6815:1f132606:4700:3031::ac43:aea6154.0.175.51
●A104.21.31.192026-07-10 → 2026-07-12 · 3 obs
○ 2026-06-12 12:39:22
● 2026-07-10 22:40:12
● 2026-07-12 03:17:24
○A154.0.175.512026-05-19 → 2026-06-12 · 4 obs
● 2026-05-19 08:43:10
● 2026-06-12 12:39:22
○ 2026-07-10 22:40:12
○ 2026-07-12 03:17:24
●A172.67.174.1662026-07-10 → 2026-07-12 · 3 obs
○ 2026-06-12 12:39:22
● 2026-07-10 22:40:12
● 2026-07-12 03:17:24
●A2606:4700:3030::6815:1f132026-07-10 → 2026-07-12 · 3 obs
○ 2026-06-12 12:39:22
● 2026-07-10 22:40:12
● 2026-07-12 03:17:24
●A2606:4700:3031::ac43:aea62026-07-10 → 2026-07-12 · 3 obs
○ 2026-06-12 12:39:22
● 2026-07-10 22:40:12
● 2026-07-12 03:17:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
nerdma.comgraham.ns.cloudflare.com, gigi.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.12

NS records: graham.ns.cloudflare.com, gigi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nerdma.com (unsigned zone)

⏱️ Timing

Total: 330ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.31.19, 172.67.174.166
AAAA22606:4700:3031::ac43:aea6, 2606:4700:3030::6815:1f13
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (graham.ns.cloudflare.com, graham.ns.cloudflare.com, graham.ns.cloudflare.com...)

Analysis

Mail Server Role

The mail server mail.nerdma.com processes email for nerdma.com.

IP Addresses

mail.nerdma.com directs to four IP numbers, which are 104.21.31.19, 172.67.174.166, 2606:4700:3030::6815:1f13 and 2606:4700:3031::ac43:aea6.

Two other host names, along with mx2.emmeprogettazione.it, chinesefishingonline.com and vsim.com, also share IP numbers with mail.nerdma.com.