seebuild.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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.188	3600s	webcluster61.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	seebuild-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::2 2a01:111:f403:ca04::b 2a01:111:f403:ca09::b 52.101.68.12 52.101.68.5 52.101.73.15 52.101.73.22	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 52.98.154.136
🔶 Autoconfig	77.111.240.188

🔷 AAAA Records (IPv6)1 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:80e6:5fb0:9e:8dd2	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 140ms

TXT Record
MS=ms58571377
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (seebuild.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)

🔐 DNSSEC120ms

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

🏷️ SOA46ms

Field	Value
Serial	2026060701
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

45ms

MX

50ms

AAAA

49ms

TXT

140ms

CAA

35ms

HTTPS

55ms

TLSA

258ms

SOA

46ms

MTA-STS

56ms

DNSSEC

120ms

SRV

63ms

Total

776ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 05:28:33	1706ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 16:08:09	1686ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 01:51:19	776ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 23:36:34	1311ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 04:07:08	1088ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 20:24:30	677ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 07:27:19	3427ms	2 NS 1 A 1 MX	🔒 Secure	View