cs-byggeservice.dk DNS records

🖥️ Nameservers2 records 29ms

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 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.134.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	csbyggeservice-dk0e.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::5 2a01:111:f403:ca09::4 2a01:111:f403:ca09::8 52.101.68.32 52.101.68.8 52.101.73.123 52.101.73.15	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am9pr04cu00107.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 38ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 226ms

TXT Record
MS=ms47325783
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cs-byggeservice.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.cs-byggeservice.dk	cs-byggeservice.dk.kinstavalidation.app

🔗 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	2026083103
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

29ms

A

28ms

MX

24ms

AAAA

26ms

TXT

226ms

CAA

20ms

HTTPS

28ms

TLSA

877ms

SOA

0ms

MTA-STS

35ms

DNSSEC

92ms

SRV

38ms

Total

1509ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 13:51:59	1509ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 01:24:03	1868ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 00:36:52	2085ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 22:55:04	931ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 21:26:17	1515ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 21:11:33	945ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 12:13:50	3246ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 12:04:10	1789ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 05:47:27	1662ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 05:42:27	33911ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 05:31:35	1767ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 05:12:47	1764ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 03:43:04	4931ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 21:47:26	4522ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 05:42:44	1492ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 10:36:44	1902ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 01:24:53	4890ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 01:12:17	1744ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 05:23:38	9016ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 01:29:32	1392ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 21:58:37	3250ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 15:37:55	929ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-30 22:06:09	1133ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 11:13:18	2238ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 01:45:30	9047ms	2 NS 1 A 1 MX	🔒 Secure	View