cr-f.dk

Records from scan: 2026-10-13 09:59:56 · 1159ms total · last checked 2026-10-26 16:16 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cr-f.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 29 September 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.107.9 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by crf-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 125ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 113ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.107.9	3600s	linux23.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 132ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	crf-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::b 2a01:111:f403:ca04::c 2a01:111:f403:ca09::26 52.101.103.140 52.101.103.162 52.101.209.31 52.101.91.156	mail-db4pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-maspr04cu00104.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 → 52.98.154.136
🔶 Autoconfig	94.231.107.9

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 363ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 185ms

TXT Record
MS=ms96242103
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (cr-f.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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#

checked 2026-10-13 09:59:57

www	94.231.107.9 (AS48854) (address records, no CNAME)
www vs bare domain	Same network cr-f.dk: 94.231.107.9 (AS48854) www.cr-f.dk: 94.231.107.9 (AS48854)
Wildcard	Yes: any name under the zone resolves
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

188ms

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

🏷️ SOA#

99ms

Field	Value
Serial	2026101200
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 2026-10-26 14:53:23

Field	Value
Registrar	Simply.com A/S
Registered	2010-09-29
Expires	2027-09-30 (337d)

🔗 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#

125ms

113ms

132ms

AAAA

120ms

TXT

185ms

CAA

122ms

HTTPS

139ms

TLSA

181ms

SOA

99ms

MTA-STS

144ms

DNSSEC

188ms

SRV

363ms

Total

1159ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 09:59:56 shown	1159ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-09 02:25:04	1083ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 08:18:20	4091ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 10:54:54	1073ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-02 20:04:49	10271ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-27 03:09:02	1756ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:46:42	3471ms	4 NS 1 A 1 MX	🔒 Secure