twofer.dk

📜 Historical scan 2026-10-09 05:08:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

twofer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 April 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. 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 34ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.204.132.136	43200s	—	—	—	—	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	twofer.dk → 85.204.132.136
🔶 Autoconfig	twofer.dk → 85.204.132.136

🔷 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 2026-10-13 20:27:51

www CNAME	twofer.dk (all on twofer.dk) → 85.204.132.136
www vs bare domain	Same network twofer.dk: 85.204.132.136 www.twofer.dk: 85.204.132.136
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.twofer.dk	twofer.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms

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

🏷️ SOA#

29ms

Field	Value
Serial	2026100801
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 2026-10-09 05:26:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-04-30
Expires	2027-04-30 (194d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

44ms

36ms

AAAA

30ms

TXT

149ms

CAA

43ms

HTTPS

38ms

TLSA

16039ms

SOA

29ms

MTA-STS

54ms

DNSSEC

115ms

SRV

58ms

Total

16660ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 20:27:51	4378ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 05:08:08 shown	16660ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 18:36:51	16846ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-04 18:03:17	4826ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-25 18:23:30	4915ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-24 07:51:29	7415ms	2 NS 1 A 4 MX	⚠️ Bogus
2026-06-23 22:03:27	1155ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 20:01:38	2141ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-22 04:11:02	965ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 01:49:13	6652ms	2 NS 1 A 4 MX	🔒 Secure