albertslundcentrum.dk DNS records

🖥️ Nameservers2 records 45ms

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 Records1 records 53ms

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

📧 MX Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	albertslundcentrum-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 52.101.68.25 52.101.73.1 52.101.73.11 52.101.73.6	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr04cu00306.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 Records1 records 68ms

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

📝 TXT Records2 records 163ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC83ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

45ms

A

53ms

MX

49ms

AAAA

51ms

TXT

163ms

CAA

44ms

HTTPS

41ms

TLSA

4031ms

SOA

0ms

MTA-STS

74ms

DNSSEC

83ms

SRV

68ms

Total

5051ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 16:33:30	5051ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 08:32:44	1166ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 00:52:12	1386ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 20:47:15	948ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 13:00:34	1155ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 05:18:59	1728ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 12:59:40	1465ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:41:16	976ms	2 NS 1 A 1 MX	🔒 Secure	View