mail.null-code.cc - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.null-code.cc`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:10ed^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:d8da^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.237^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.218^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.237, 172.67.216.218
		IPv6 hints	2606:4700:3033::6815:10ed, 2606:4700:3034::ac43:d8da
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=248, name=cloudflare-ech.com

`null-code.cc`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:10ed^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:d8da^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.237^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.218^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dell.ns.cloudflare.com` ⭐
NS	`sid.ns.cloudflare.com`
MX	`_dc-mx.2f55e593ee56.null-code.cc` ⭐
TXT	`v=spf1 ip4:193.41.86.150 a mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.237, 172.67.216.218
		IPv6 hints	2606:4700:3033::6815:10ed, 2606:4700:3034::ac43:d8da
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=248, name=cloudflare-ech.com
SOA	`dell.ns.cloudflare.com`dns@cloudflare.com serial=2416217160

Previously MX for

null-code.cc

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DNS History

5 records (4 active, 1 former)

●A104.21.16.2372026-10-15 → 2026-10-15 · 3 obs

○ 2026-09-07 03:01:00
● 2026-10-15 02:55:36
● 2026-10-15 02:55:40

●A172.67.216.2182026-10-15 → 2026-10-15 · 3 obs

○ 2026-09-07 03:01:00
● 2026-10-15 02:55:36
● 2026-10-15 02:55:40

●A2606:4700:3033::6815:10ed2026-10-15 → 2026-10-15 · 3 obs

○ 2026-09-07 03:01:00
● 2026-10-15 02:55:36
● 2026-10-15 02:55:40

●A2606:4700:3034::ac43:d8da2026-10-15 → 2026-10-15 · 3 obs

○ 2026-09-07 03:01:00
● 2026-10-15 02:55:36
● 2026-10-15 02:55:40

○A5.182.86.1272026-09-07 → 2026-09-07 · 3 obs

● 2026-09-07 03:01:00
○ 2026-10-15 02:55:36
○ 2026-10-15 02:55:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cc	ac3.nstld.com, ac1.nstld.com, ac4.nstld.com, ac2.nstld.com	-
null-code.cc	sid.ns.cloudflare.com, dell.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.143

NS records: sid.ns.cloudflare.com, dell.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for null-code.cc (unsigned zone)

⏱️ Timing

Total: 660ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.216.218, 104.21.16.237`
AAAA	2	`2606:4700:3033::6815:10ed, 2606:4700:3034::ac43:d8da`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

mail.null-code.cc points to the four IP addresses 104.21.16.237, 172.67.216.218, 2606:4700:3033::6815:10ed and 2606:4700:3034::ac43:d8da.

Among the host names that share IP numbers with mail.null-code.cc are xzrnwx.asia, jll-rawbeauty.cn, ktbb.yesoks.com and two others.