b4zz.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
dean.ns.cloudflare.com	108.162.193.153 172.64.33.153 173.245.59.153 2606:4700:58::adf5:3b99 2803:f800:50::6ca2:c199 2a06:98c1:50::ac40:2199	dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
suzanne.ns.cloudflare.com	108.162.194.87 162.159.38.87 172.64.34.87 2606:4700:50::a29f:2657 2803:f800:50::6ca2:c257 2a06:98c1:50::ac40:2257	suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.uplink.dk	2a0c:8900:3:298a::1 45.86.125.212	mx.uplink.dk mx.uplink.dk	AS200462 ETH-Services AS200462 ETH-Services

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 220ms

TXT Record
v=spf1 mx -all

✉️ SPF

Policy	Record (b4zz.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE1 records 62ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.uplink.dk	DANE-EE · SPKI · SHA-256	B0971508DDECB3EF3E4651E930E49AEE…

🔐 DNSSEC87ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2412893354
Primary NS (MNAME)	dean.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

40ms

MX

51ms

AAAA

54ms

TXT

220ms

CAA

41ms

HTTPS

46ms

TLSA

62ms

SOA

0ms

MTA-STS

71ms

DNSSEC

87ms

SRV

87ms

Total

2182ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 18:05:28	2182ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-19 01:46:08	9101ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-31 08:43:53	1211ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-19 23:53:06	1221ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-06 21:16:12	1655ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-26 04:43:45	2170ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-24 21:46:45	836ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-24 12:30:31	1191ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 15:12:35	1680ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-21 01:07:50	890ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-20 20:02:00	3182ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 13:57:34	564ms	2 NS 0 A 1 MX	🔒 Secure	View