rentacfo.dk

📜 Historical scan 2026-08-26 12:05:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rentacfo.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 November 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.83 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by rentacfo-dk.mail.protection.outlook.com. 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

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.83	3600s	webcluster1.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rentacfo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::a 2a01:111:f403:ca09::f 2a01:111:f403:ca48::a 52.101.68.16 52.101.68.39 52.101.73.12 52.101.73.28	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	77.111.241.83

🔷 AAAA Records (IPv6)#

1 records 278ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:104:9f:49e2:12a6:cdf6	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 189ms

TXT Record
google-site-verification=OPjVDrbD_1uGx1fySxppecM1Okp807DEvu2XJsY5jqQ

✉️ 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 2026-10-19 22:22:08

www	77.111.241.83 2a02:2350:5:104:9f:49e2:12a6:cdf6 (AS51468) (address records, no CNAME)
www vs bare domain	Same network rentacfo.dk: 77.111.241.83 2a02:2350:5:104:9f:49e2:12a6:cdf6 (AS51468) www.rentacfo.dk: 77.111.241.83 2a02:2350:5:104:9f:49e2:12a6:cdf6 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081902
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 2026-10-18 22:21:00

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-11-19
Expires	2026-11-30 (41d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

44ms

50ms

41ms

AAAA

278ms

TXT

189ms

CAA

60ms

HTTPS

56ms

TLSA

363ms

SOA

0ms

MTA-STS

62ms

DNSSEC

79ms

SRV

124ms

Total

1070ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 22:22:08	1026ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-18 22:09:20	1369ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 22:02:35	1128ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 12:05:08 shown	1070ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 05:21:56	9568ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 04:01:55	1418ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 00:54:47	3131ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:20:20	1059ms	2 NS 1 A 1 MX	🔒 Secure