mail.bitzero.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.bitzero.dev`

DNSSEC	⚠️ Not signed
A	45.137.70.40^{🇩🇪 AS20344645.137.70.0/24}
		PTR	`40.70.137.45.in-addr.arpa`
TXT	`v=spf1 a -all`

`bitzero.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:1a7b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8840^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.123^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.64^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`devin.ns.cloudflare.com` ⭐
NS	`martha.ns.cloudflare.com`
MX	`mail.bitzero.dev` ⭐
TXT	`v=spf1 mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.26.123, 172.67.136.64
		IPv6 hints	2606:4700:3036::6815:1a7b, 2606:4700:3037::ac43:8840
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=233, name=cloudflare-ech.com
SOA	`devin.ns.cloudflare.com`dns@cloudflare.com serial=2411647461

MX for

bitzero.dev

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DNS History

1 record (1 active, 0 former)

●A45.137.70.402026-08-25 → 2026-08-28 · 2 obs

● 2026-08-25 13:55:40
● 2026-08-28 00:55:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
bitzero.dev	martha.ns.cloudflare.com, devin.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.142

NS records: martha.ns.cloudflare.com, devin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bitzero.dev (unsigned zone)

⏱️ Timing

Total: 990ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.137.70.40`
TXT	1	`v=spf1 a -all`

Analysis

Mail Server Role

bitzero.dev uses mail.bitzero.dev as a mail server.

IP Addresses

mail.bitzero.dev resolves to one IP address: 45.137.70.40.