zentimum.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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.37	3600s	webcluster2.webpod15-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	zentimum-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09::3 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 52.101.103.39 52.101.73.153 52.101.73.28 52.101.73.30	mail-db7pr03cu00401.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.8
🔶 Autoconfig	46.30.215.37

🔷 AAAA Records (IPv6)1 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10e:802e:22ab:997f:4b64	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 118ms

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

📝 TXT Records2 records 185ms

TXT Record
MS=ms76565077
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

🔗 TLSA / DANE

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

🔐 DNSSEC71ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081104
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

46ms

MX

35ms

AAAA

49ms

TXT

185ms

CAA

51ms

HTTPS

39ms

TLSA

892ms

SOA

0ms

MTA-STS

71ms

DNSSEC

71ms

SRV

118ms

Total

1482ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 20:28:52	1482ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 22:09:30	1060ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 01:20:35	1988ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 00:35:47	5297ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 23:42:20	1243ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 20:53:55	1187ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 05:19:20	777ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 05:48:17	2839ms	2 NS 1 A 1 MX	🔒 Secure	View