rcentret.dk

Records from scan: 2026-10-17 00:04:32 · 1876ms total · last checked 2026-10-18 01:06 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rcentret.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 June 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.184.85.16 is hosted by PerfGrid (AS59795) in The Netherlands. Mail is handled by rcentret-dk.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#

2 records 81ms

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 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.184.85.16	600s	nlcp07.hosting4real.net	AS59795	PerfGrid	213.184.84.0/23	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 129ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rcentret-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::28 2a01:111:f403:ca21::8 2a01:111:f403:ca48::8 52.101.103.36 52.101.209.153 52.101.73.120 52.101.91.162	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00302.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 351ms

TXT Record
v=spf1 include:spf.protection.outlook.com a:mail.halbooking.dk ~all

✉️ SPF#

Policy	Record (rcentret.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com a:mail.halbooking.dk ~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 2026-10-17 00:04:32

www	213.184.85.16 (AS59795) (address records, no CNAME)
www vs bare domain	Same network rcentret.dk: 213.184.85.16 (AS59795) www.rcentret.dk: 213.184.85.16 (AS59795)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 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#

271ms

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

🏷️ SOA#

65ms

Field	Value
Serial	2026101601
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 2026-10-17 00:23:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-06-26
Expires	2027-06-30 (255d)

🔗 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).

Domain	Registrar
rcenteret.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

81ms

58ms

129ms

AAAA

133ms

TXT

351ms

CAA

191ms

HTTPS

207ms

TLSA

799ms

SOA

65ms

MTA-STS

168ms

DNSSEC

271ms

SRV

207ms

Total

1876ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 00:04:32 shown	1876ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 23:26:12	1258ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 15:36:39	2028ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 01:54:21	727ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 10:10:15	919ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 14:19:22	894ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 10:58:14	5807ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 02:59:49	5392ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 12:22:29	10359ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 06:44:19	1057ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:33:09	3435ms	2 NS 1 A 1 MX	🔒 Secure