mail.firstunionbk.com - robtex.com

mail.firstunionbk.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c0b3🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3c3c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.60.60Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.179🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.60.60, 172.67.192.179
IPv6 hints2606:4700:3033::ac43:c0b3, 2606:4700:3037::6815:3c3c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=206, name=cloudflare-ech.com

firstunionbk.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c0b3🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3c3c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.60.60Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.179🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaaden.ns.cloudflare.com ⭐
NSalexa.ns.cloudflare.com
MX_dc-mx.36d6ad788eab.firstunionbk.com ⭐
TXTgoogle-site-verification=T63qDLQRZlGWujXdQZxHSGzvHI-Ks6d4OpK-Bs7nosY
TXTv=spf1 ip4:161.97.130.42 ip4:185.254.196.17 +a +mx +ip4:185.254.196.31 +ip4:1...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.60.60, 172.67.192.179
IPv6 hints2606:4700:3033::ac43:c0b3, 2606:4700:3037::6815:3c3c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=206, name=cloudflare-ech.com
SOAaaden.ns.cloudflare.comdns@cloudflare.com serial=2402547566
⚠️ On DNS blocklist: tif

Previously MX for

firstunionbk.com

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DNS History

5 records (4 active, 1 former)

2020202120222023202420252026A104.21.60.60172.67.192.1792606:4700:3033::ac43:c0b32606:4700:3037::6815:3c3c68.65.123.230
●A104.21.60.602026-05-14 → 2026-05-14 · 2 obs
○ 2019-12-19 21:51:30
● 2026-05-14 00:19:36
●A172.67.192.1792026-05-14 → 2026-05-14 · 2 obs
○ 2019-12-19 21:51:30
● 2026-05-14 00:19:36
●A2606:4700:3033::ac43:c0b32026-05-14 → 2026-05-14 · 2 obs
○ 2019-12-19 21:51:30
● 2026-05-14 00:19:36
●A2606:4700:3037::6815:3c3c2026-05-14 → 2026-05-14 · 2 obs
○ 2019-12-19 21:51:30
● 2026-05-14 00:19:36
○A68.65.123.2302019-12-19 → 2019-12-19 · 2 obs
● 2019-12-19 21:51:30
○ 2026-05-14 00:19:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
firstunionbk.comalexa.ns.cloudflare.com, aaden.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.215

NS records: alexa.ns.cloudflare.com, aaden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstunionbk.com (unsigned zone)

⏱️ Timing

Total: 134ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.60.60, 172.67.192.179
AAAA22606:4700:3033::ac43:c0b3, 2606:4700:3037::6815:3c3c
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.firstunionbk.com resolves to four IP numbers: 2606:4700:3033::ac43:c0b3, 2606:4700:3037::6815:3c3c, 104.21.60.60 and 172.67.192.179.

Other host names such as annewhysall.co.uk, teleshipping.com, www.rci.net.cn, www.nairit.am and crypzz.vip share IPs with mail.firstunionbk.com.