mail.buildersguild.com - robtex.com

mail.buildersguild.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:845🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8aa4🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.8.69Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.164🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.8.69, 172.67.138.164
IPv6 hints2606:4700:3037::6815:845, 2606:4700:3037::ac43:8aa4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=154, name=cloudflare-ech.com

buildersguild.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:845🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8aa4🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.8.69Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.164🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalan.ns.cloudflare.com ⭐
NSjasmine.ns.cloudflare.com
MXd232186a.ess.barracudanetworks.com ⭐
MXd232186b.ess.barracudanetworks.com ⭐
TXT655usg3v2lk5s664jiffr1n4d5
TXTMS=ms46486307
TXTtbsv1atafhjp92i0ln4l1p4u7o
TXTv=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s; fo=1;
TXTv=spf1 +mx +a +ip4:69.16.242.16 +ip4:64.235.144.0/20 +ip4:209.222.80.0/21 +in...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.8.69, 172.67.138.164
IPv6 hints2606:4700:3037::6815:845, 2606:4700:3037::ac43:8aa4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=154, name=cloudflare-ech.com
SOAalan.ns.cloudflare.comdns@cloudflare.com serial=2399427912

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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.8.69172.67.138.1642606:4700:3037::6815:8452606:4700:3037::ac43:8aa4208.75.80.253208.82.146.107
●A104.21.8.692026-02-25 → 2026-04-15 · 3 obs
○ 2016-05-06 02:29:24
● 2026-02-25 14:20:54
● 2026-04-15 09:37:22
●A172.67.138.1642026-02-25 → 2026-04-15 · 3 obs
○ 2016-05-06 02:29:24
● 2026-02-25 14:20:54
● 2026-04-15 09:37:22
○A208.75.80.2532015-07-03 → 2015-11-08 · 4 obs
● 2015-07-03 23:44:12
● 2015-11-08 19:31:48
○ 2016-02-09 07:09:44
○ 2026-04-15 09:37:22
○A208.82.146.1072016-02-09 → 2016-05-06 · 5 obs
○ 2015-11-08 19:31:48
● 2016-02-09 07:09:44
● 2016-05-06 02:29:24
○ 2026-02-25 14:20:54
○ 2026-04-15 09:37:22
●A2606:4700:3037::6815:8452026-02-25 → 2026-04-15 · 3 obs
○ 2016-05-06 02:29:24
● 2026-02-25 14:20:54
● 2026-04-15 09:37:22
●A2606:4700:3037::ac43:8aa42026-02-25 → 2026-04-15 · 3 obs
○ 2016-05-06 02:29:24
● 2026-02-25 14:20:54
● 2026-04-15 09:37:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
buildersguild.comalan.ns.cloudflare.com, jasmine.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.170

NS records: alan.ns.cloudflare.com, jasmine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buildersguild.com (unsigned zone)

⏱️ Timing

Total: 131ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.138.164, 104.21.8.69
AAAA22606:4700:3037::6815:845, 2606:4700:3037::ac43:8aa4
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.buildersguild.com resolves to four IPs: 2606:4700:3037::6815:845, 2606:4700:3037::ac43:8aa4, 104.21.8.69 and 172.67.138.164.

Other host names such as thebridalboutiquewarwickshire.co.uk, 69.reverse.mini.shackx.net, mini.shackx.net, simonsvkw721.lowescouponn.com and hair-everywhere.com share IP numbers with mail.buildersguild.com.