ribetf.dk

📜 Historical scan 2026-06-20 01:18:40 · ← Latest scan

ribetf.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 1 August 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by ribetf-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, publishes a 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

3 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records

🌍

No A records found

📧 MX Records

1 records 21ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ribetf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca04::c 2a01:111:f403:ca04::e 52.101.68.18 52.101.68.21 52.101.73.19 52.101.73.26	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr05cu01302.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

1 records 154ms

TXT Record
v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ribetf.dk)
-all (hard fail)	v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.ribetf.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-02 17:17:15

www	NXDOMAIN
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE

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

🔐 DNSSEC

71ms

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

🏷️ SOA

48ms

Field	Value
Serial	2025101402
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

WHOIS fetched 2026-10-02 17:27:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-08-01
Expires	2027-08-31 (332d)

📋 WHOIS

⏱️ Lookup Timing

40ms

49ms

21ms

AAAA

40ms

TXT

154ms

CAA

41ms

HTTPS

49ms

TLSA

710ms

SOA

48ms

MTA-STS

115ms

DNSSEC

71ms

SRV

139ms

Total

1110ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-10-02 17:17:15	1006ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-30 17:08:24	682ms	3 NS 0 A 1 MX	🔒 Secure
2026-08-27 15:56:48	945ms	3 NS 0 A 1 MX	🔒 Secure
2026-07-02 12:15:03	1225ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-20 01:18:40 shown	1110ms	3 NS 0 A 1 MX	⚠️ Bogus
2026-06-18 06:34:32	1227ms	3 NS 0 A 1 MX	🔒 Secure