centerfk.dk

Records from scan: 2026-10-09 11:40:50 · 1294ms total · last checked 2026-10-16 05:29 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

centerfk.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 22 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.104.202.25 is hosted by It Forum Gruppen A/s (AS50346) in Denmark. Mail is handled by centerfk-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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#

3 records 30ms

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#

1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.104.202.25	3600s	ext202-25.cph1.sit.dk	AS50346	It Forum Gruppen A/s	193.104.202.0/24	🇩🇰 Denmark	—

📧 MX Records#

1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	centerfk-dk.mail.protection.outlook.com	2a01:111:f403:ca09::22 2a01:111:f403:ca09::28 2a01:111:f403:ca09::a 2a01:111:f403:ca3c::8 52.101.209.28 52.101.73.120 52.101.73.123 52.101.73.155	mail-am7pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 52.98.149.136
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 59ms

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

📝 TXT Records#

2 records 102ms

TXT Record
google-site-verification=0ctMc46M5iThLVSXsV9jc0Q1zqxnnyUBjaqL8I47vGk
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.centerfk.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-09 11:40:50

www	193.104.202.25 (AS50346) (address records, no CNAME)
www vs bare domain	Same network centerfk.dk: 193.104.202.25 (AS50346) www.centerfk.dk: 193.104.202.25 (AS50346)
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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

112ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2026100300
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 2026-10-16 22:26:50

Field	Value
Registrar	Simply.com A/S
Registered	2025-12-22
Expires	2026-12-21 (65d)

🔗 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#

30ms

53ms

27ms

AAAA

33ms

TXT

102ms

CAA

36ms

HTTPS

26ms

TLSA

612ms

SOA

50ms

MTA-STS

49ms

DNSSEC

112ms

SRV

59ms

Total

1294ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:40:50 shown	1294ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 09:01:00	720ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 08:52:49	588ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-10 23:30:33	1474ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-02 13:23:59	751ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-20 19:30:27	762ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:05:52	2776ms	3 NS 1 A 1 MX	🔒 Secure