zasa.dk DNS records

🖥️ Nameservers2 records 55ms

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 88ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.167	3600s	webcluster40.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 72ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	zasa-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::20 2a01:111:f403:ca09::c 2a01:111:f403:ca09::f 52.101.103.137 52.101.209.153 52.101.68.10 52.101.73.26	mail-dbapr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-as9pr05cu01302.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

🔷 AAAA Records (IPv6)1 records 70ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:803a:b819:c128:e842	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

📝 TXT Records2 records 336ms

TXT Record
MS=ms36744924
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

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

🔐 DNSSEC193ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083105
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

55ms

A

88ms

MX

72ms

AAAA

70ms

TXT

336ms

CAA

113ms

HTTPS

69ms

TLSA

702ms

SOA

0ms

MTA-STS

108ms

DNSSEC

193ms

SRV

108ms

Total

1731ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 16:39:31	1731ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 18:01:52	938ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 10:16:44	2613ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 17:24:48	9246ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 11:18:06	1032ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 01:39:08	3316ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 05:58:08	1117ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 16:51:10	3485ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 00:37:29	950ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 22:31:53	917ms	2 NS 1 A 1 MX	🔒 Secure	View