a1b.dk DNS records

🖥️ Nameservers2 records 74ms

Nameserver	IP addresses	PTR	ASN / ISP
fiona.ns.cloudflare.com	108.162.192.157 172.64.32.157 173.245.58.157 2606:4700:50::adf5:3a9d 2803:f800:50::6ca2:c09d 2a06:98c1:50::ac40:209d	fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
stan.ns.cloudflare.com	108.162.193.235 172.64.33.235 173.245.59.235 2606:4700:58::adf5:3beb 2803:f800:50::6ca2:c1eb 2a06:98c1:50::ac40:21eb	stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.95	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.147.50	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:9332	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:375f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.95,172.67.147.50 ech=AEX+DQBB3gAgACCrNeffYBs54Ic9ySmupUCgFow0o7lg/fz5Dfsa4DNSIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9332,2606:4700:3036::6815:375f

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC100ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2412963804
Primary NS (MNAME)	fiona.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

74ms

A

53ms

MX

55ms

AAAA

49ms

TXT

211ms

CAA

50ms

HTTPS

53ms

TLSA

56ms

SOA

0ms

MTA-STS

78ms

DNSSEC

100ms

SRV

79ms

Total

697ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 12:33:15	697ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-23 22:49:28	2737ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-22 20:46:21	887ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-21 20:45:10	2057ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-20 20:30:49	8201ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-19 06:27:05	1155ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 14:15:34	750ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 04:35:00	914ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 04:54:09	2338ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 13:15:10	522ms	2 NS 2 A 0 MX	🔓 Insecure	View