mail.fredericback.com - dns.ninja

mail.fredericback.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:4f1🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:bb3b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.241Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.187.59🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.241, 172.67.187.59
IPv6 hints2606:4700:3034::6815:4f1, 2606:4700:3035::ac43:bb3b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=127, name=cloudflare-ech.com

fredericback.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:4f1🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:bb3b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.241Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.187.59🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSleif.ns.cloudflare.com ⭐
NStina.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.241, 172.67.187.59
IPv6 hints2606:4700:3034::6815:4f1, 2606:4700:3035::ac43:bb3b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=127, name=cloudflare-ech.com
SOAleif.ns.cloudflare.comdns@cloudflare.com serial=2411562474
WOT: SAFE (60/100)

Previously MX for

fredericback.com

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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.4.241172.67.187.592606:4700:3034::6815:4f12606:4700:3035::ac43:bb3b209.172.34.7570.38.117.108
●A104.21.4.2412026-08-09 → 2026-08-09 · 2 obs
○ 2016-05-03 09:44:28
● 2026-08-09 02:04:24
●A172.67.187.592026-08-09 → 2026-08-09 · 2 obs
○ 2016-05-03 09:44:28
● 2026-08-09 02:04:24
○A209.172.34.752015-07-03 → 2015-07-03 · 3 obs
● 2015-07-03 10:57:52
○ 2015-11-09 06:21:46
○ 2026-08-09 02:04:24
●A2606:4700:3034::6815:4f12026-08-09 → 2026-08-09 · 2 obs
○ 2016-05-03 09:44:28
● 2026-08-09 02:04:24
●A2606:4700:3035::ac43:bb3b2026-08-09 → 2026-08-09 · 2 obs
○ 2016-05-03 09:44:28
● 2026-08-09 02:04:24
○A70.38.117.1082015-11-09 → 2016-05-03 · 4 obs
○ 2015-07-03 10:57:52
● 2015-11-09 06:21:46
● 2016-05-03 09:44:28
○ 2026-08-09 02:04:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...-
fredericback.comtina.ns.cloudflare.com, leif.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.222

NS records: tina.ns.cloudflare.com, leif.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fredericback.com (unsigned zone)

⏱️ Timing

Total: 120ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.187.59, 104.21.4.241
AAAA22606:4700:3035::ac43:bb3b, 2606:4700:3034::6815:4f1
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.fredericback.com directs to four IP numbers, which are 104.21.4.241, 172.67.187.59, 2606:4700:3034::6815:4f1 and 2606:4700:3035::ac43:bb3b.

Additional host names — mail.bisal.ch, rekrutmen-ypcu.unitomo.ac.id, webmail.pah.org.uk and two others — share IP numbers with mail.fredericback.com.