kt-byg.dk DNS records

🖥️ Nameservers2 records 54ms

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 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.163	3600s	webcluster2.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	2800s	ktbyg-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 52.101.103.140 52.101.209.153 52.101.68.21 52.101.68.39	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.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 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:8018:8283:f201:2f4d	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 269ms

TXT Record
MS=ms42215198
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (kt-byg.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)

🔐 DNSSEC153ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081005
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

54ms

A

60ms

MX

60ms

AAAA

56ms

TXT

269ms

CAA

68ms

HTTPS

68ms

TLSA

328ms

SOA

0ms

MTA-STS

126ms

DNSSEC

153ms

SRV

89ms

Total

2006ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 13:00:04	2006ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 03:52:13	2473ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 23:18:42	3181ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 07:03:41	1196ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 11:57:31	974ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 22:17:54	1057ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 04:57:01	879ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 18:26:33	797ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 18:27:27	1157ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 11:31:51	1137ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:41:50	2812ms	2 NS 1 A 1 MX	🔒 Secure	View