a1b2.dk

📜 Historical scan 2026-06-19 12:01:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a1b2.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 28 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.16 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 64ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.16	3600s	splash.curanet.dk	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	212.237.249.16
🔶 Autoconfig	212.237.249.16

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 15:57:35

www	104.21.65.202 172.67.192.52 2606:4700:3032::ac43:c034 2606:4700:3035::6815:41ca (AS13335) (address records, no CNAME)
www vs bare domain	Same network a1b2.dk: 104.21.65.202 172.67.192.52 2606:4700:3032::ac43:c034 2606:4700:3035::6815:41ca (AS13335) www.a1b2.dk: 104.21.65.202 172.67.192.52 2606:4700:3032::ac43:c034 2606:4700:3035::6815:41ca (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

65ms

Field	Value
Serial	2025101506
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 07:50:37

Field	Value
Registrar	CURANET A/S
Registered	2024-05-28
Expires	2027-05-27 (216d)

📋 WHOIS#

⏱️ Lookup Timing#

64ms

53ms

51ms

AAAA

84ms

TXT

234ms

CAA

59ms

HTTPS

50ms

TLSA

86ms

SOA

65ms

MTA-STS

119ms

DNSSEC

77ms

SRV

146ms

Total

550ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 15:57:35	492ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-30 12:55:29	817ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-24 04:46:27	946ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-29 17:15:13	823ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-28 07:16:08	817ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-27 23:40:35	625ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-26 20:00:40	706ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-25 15:21:04	2121ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-29 14:43:08	922ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-26 23:31:06	379ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-23 08:26:47	1151ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 16:58:16	1166ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 12:01:51 shown	550ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-16 12:52:03	1286ms	2 NS 1 A 0 MX	🔒 Secure