albertslundcentrum.dk

📜 Historical scan 2026-09-14 15:17:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

albertslundcentrum.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 January 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.237.79.20 is hosted by ITALNET (AS60219) in Poland. Mail is handled by albertslundcentrum-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 152ms

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 121ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.237.79.20	600s	r1.simplyit.pl	AS60219	ITALNET	91.237.79.0/24	🇵🇱 Poland	Warsaw

📧 MX Records#

1 records 156ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	albertslundcentrum-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::c 2a01:111:f403:ca38::8 2a01:111:f403:ca48::a 52.101.103.39 52.101.181.153 52.101.209.153 52.101.73.155	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 541ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 454ms

TXT Record
MS=ms25046770
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.albertslundcentrum.dk)
p=reject	v=DMARC1; p=reject; aspf=r

📬 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 2026-10-12 11:31:44

www	91.237.79.20 (AS60219) (address records, no CNAME)
www vs bare domain	Same network albertslundcentrum.dk: 91.237.79.20 (AS60219) www.albertslundcentrum.dk: 91.237.79.20 (AS60219)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-albertslundcentrum-dk._domainkey.albertslundcentrum.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

203ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091001
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 2026-10-12 11:56:28

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-01-19
Expires	2027-03-31 (165d)

🔗 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
albertslund-centrum.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

152ms

121ms

156ms

AAAA

115ms

TXT

454ms

CAA

109ms

HTTPS

127ms

TLSA

289ms

SOA

0ms

MTA-STS

112ms

DNSSEC

203ms

SRV

541ms

Total

1402ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 11:31:44	4438ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 18:49:46	4462ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 01:46:51	4548ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 15:17:52 shown	1402ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 16:33:30	5051ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 08:32:44	1166ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 00:52:12	1386ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 20:47:15	948ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 13:00:34	1155ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 05:18:59	1728ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 12:59:40	1465ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:41:16	976ms	2 NS 1 A 1 MX	🔒 Secure