flimmernet.dk

📜 Historical scan 2026-06-19 23:44:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

flimmernet.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 October 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.132 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mail.flimmernet.dk, backupmail.gullestrup.dk. The zone is DNSSEC-signed but currently fails validation, has no DMARC policy and is reachable over IPv6. 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 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.132	3600s	webcluster5.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.flimmernet.dk	82.165.203.134	mail51.gullestrupnet.dk	AS8560 IONOS SE
25	3600s	backupmail.gullestrup.dk	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	77.111.240.132
🔶 Autoconfig	77.111.240.132

🔷 AAAA Records (IPv6)#

1 records 108ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:23:ff02:8f44:900b	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 204ms

TXT Record
v=spf1 ip4:89.249.3.0/24 ip4:82.165.203.134 a mx -all

✉️ SPF#

Policy	Record (flimmernet.dk)
-all (hard fail)	v=spf1 ip4:89.249.3.0/24 ip4:82.165.203.134 a 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 08:22:19

www	77.111.240.162 2a02:2350:5:102:8012:cb6:d5a6:e979 (AS51468) (address records, no CNAME)
www vs bare domain	Same network flimmernet.dk: 77.111.240.162 2a02:2350:5:102:8012:cb6:d5a6:e979 (AS51468) www.flimmernet.dk: 77.111.240.162 2a02:2350:5:102:8012:cb6:d5a6:e979 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'flimmernet.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

38ms

Field	Value
Serial	2026061401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 16:14:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-10-25
Expires	2029-10-31 (1110d)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

36ms

69ms

AAAA

108ms

TXT

204ms

CAA

35ms

HTTPS

43ms

TLSA

257ms

SOA

38ms

MTA-STS

41ms

DNSSEC

57ms

SRV

82ms

Total

690ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 08:22:19	646ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-07 15:58:30	905ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-01 12:02:18	1052ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-08 03:28:45	763ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 01:18:24	4761ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-10 01:06:13	986ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-04 21:48:48	1003ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-19 23:44:46 shown	690ms	2 NS 1 A 2 MX	⚠️ Bogus
2026-06-17 09:19:49	884ms	2 NS 1 A 2 MX	🔒 Secure