rf1.dk

📜 Historical scan 2026-06-20 00:35:49  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rf1.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.123 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, 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   44ms
NameserverIP addressesPTRASN / 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   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.111.241.123 3600s webcluster2.wordpresspod2-cph3.one.com AS51468 One.com A/S 77.111.240.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   58ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod12-cph3.one.com 104.37.34.246 mx1.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod12-cph3.one.com 104.37.34.247 mx2.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod12-cph3.one.com 104.37.34.248 mx3.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod12-cph3.one.com 104.37.34.249 mx4.pub.mailpod12-cph3.one.com AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover77.111.241.123
🔶 Autoconfig77.111.241.123

🔷 AAAA Records (IPv6)#

1 records   41ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:104:80df:e037:d7da:c1c2 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   207ms
TXT Record
google-site-verification=AuteNbZylCESHJ8B-OqkLKNQ0v1DU8-DoMqSMR5V4z4

✉️ 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 2026-10-12 20:30:30
www77.111.241.123 2a02:2350:5:104:80df:e037:d7da:c1c2 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

4 records   130ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 D91CB8AC124CB360F986182813BDF3FD…

🔐 DNSSEC#

119ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

40ms
FieldValue
Serial2026052502
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-14 15:51:50
FieldValue
RegistrarONE.COM A/S
Registered2024-05-22
Expires2027-05-21 (215d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
restaurantførste.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
49ms
MX
58ms
AAAA
41ms
TXT
207ms
CAA
54ms
HTTPS
57ms
TLSA
130ms
SOA
40ms
MTA-STS
136ms
DNSSEC
119ms
SRV
246ms
Total
683ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 06:09:54 589ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-23 16:38:49 783ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-26 17:12:19 849ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-13 03:55:35 4154ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-07 04:12:49 9814ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-25 01:20:37 947ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-27 13:19:39 1457ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-20 00:35:49 shown 683ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 14:44:24 1546ms 2 NS 1 A 4 MX 🔒 Secure
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