albertslund-centrum.dk DNS records

🖥️ Nameservers2 records 41ms

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 54ms

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 Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	albertslundcentrum-dk02i.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::24 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 52.101.181.153 52.101.68.0 52.101.73.28 52.101.73.6	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 71ms

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

📝 TXT Records2 records 181ms

TXT Record
MS=ms98888893
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.albertslund-centrum.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.albertslund-centrum.dk	CWVZeA4YQYZfcxFoUSQ0seB3oE3HDSuAlpykkBE-4eU

🔗 TLSA / DANE

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

🔐 DNSSEC92ms

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

41ms

A

54ms

MX

37ms

AAAA

39ms

TXT

181ms

CAA

67ms

HTTPS

53ms

TLSA

2083ms

SOA

0ms

MTA-STS

72ms

DNSSEC

92ms

SRV

71ms

Total

2824ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 10:40:17	2824ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 13:47:37	954ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 20:41:31	5349ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 11:04:26	5871ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 09:40:59	1589ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 15:56:45	10139ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 10:07:03	4163ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 16:00:10	1123ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 21:20:26	982ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:41:13	863ms	2 NS 1 A 1 MX	🔒 Secure	View