🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.githubmag.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:dfd^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:8592^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.253^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.146^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.253, 172.67.133.146
		IPv6 hints	2606:4700:3033::6815:dfd, 2606:4700:3034::ac43:8592
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=196, name=cloudflare-ech.com

`githubmag.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:dfd^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:8592^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.253^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.146^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kira.ns.cloudflare.com` ⭐
NS	`vick.ns.cloudflare.com`
MX	`mail.githubmag.com` ⭐
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.253, 172.67.133.146
		IPv6 hints	2606:4700:3033::6815:dfd, 2606:4700:3034::ac43:8592
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=196, name=cloudflare-ech.com
SOA	`kira.ns.cloudflare.com`dns@cloudflare.com serial=2414220375

MX for

githubmag.com

Same first word

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Previous names

Next names

DNS History

4 records (4 active, 0 former)

●A104.21.13.2532026-09-15 → 2026-09-15 · 2 obs

● 2026-09-15 13:36:00
● 2026-09-15 22:12:44

●A172.67.133.1462026-09-15 → 2026-09-15 · 2 obs

● 2026-09-15 13:36:00
● 2026-09-15 22:12:44

●A2606:4700:3033::6815:dfd2026-09-15 → 2026-09-15 · 2 obs

● 2026-09-15 13:36:00
● 2026-09-15 22:12:44

●A2606:4700:3034::ac43:85922026-09-15 → 2026-09-15 · 2 obs

● 2026-09-15 13:36:00
● 2026-09-15 22:12:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
githubmag.com	vick.ns.cloudflare.com, kira.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.197

NS records: vick.ns.cloudflare.com, kira.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for githubmag.com (unsigned zone)

⏱️ Timing

Total: 173ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.146, 104.21.13.253`
AAAA	2	`2606:4700:3034::ac43:8592, 2606:4700:3033::6815:dfd`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

Mail for githubmag.com is routed through the mail server mail.githubmag.com.

IP Addresses

mail.githubmag.com has four IP addresses: 104.21.13.253, 172.67.133.146, 2606:4700:3033::6815:dfd and 2606:4700:3034::ac43:8592.

splitrailchicago.com, beacondock.info, muslirra.cv plus two other host names have IP numbers in common with mail.githubmag.com.

mail.githubmag.com - robtex.com