`mail.sigbcs.com`

DNSSEC

⚠️ Not signed

`sigbcs.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:4308^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a76e^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.8^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.110^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cleo.ns.cloudflare.com` ⭐
NS	`zara.ns.cloudflare.com`
MX	`sigbcs-com.mail.protection.outlook.com` ⭐
TXT	`facebook-domain-verification=zzck0bcwq4ks7lgk9jkn7phsifabg8`
TXT	`google-site-verification=Mn9RPyOLoBbnIR3DYtgHniDUgutysRNOcX8Oumnketg`
TXT	`v=spf1 ip4:149.154.59.233 ip4:72.52.238.25 include:spf.protection.outlook.com...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.8, 172.67.167.110
		IPv6 hints	2606:4700:3036::6815:4308, 2606:4700:3036::ac43:a76e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=181, name=cloudflare-ech.com
SOA	`cleo.ns.cloudflare.com`dns@cloudflare.com serial=2409675632

Previously MX for

sigbcs.com

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DNS History

1 record (0 active, 1 former)

○A208.88.73.742015-08-04 → 2016-06-17 · 4 obs

● 2015-08-04 12:01:20
● 2016-06-17 22:43:00
○ 2026-06-29 20:38:56
○ 2026-07-22 04:54:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sigbcs.com	zara.ns.cloudflare.com, cleo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.89

NS records: zara.ns.cloudflare.com, cleo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sigbcs.com (unsigned zone)

⏱️ Timing

Total: 153ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 12

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

mail.sigbcs.com - robtex.com

mail.sigbcs.com

sigbcs.com