dybvadfjernvarme.dk DNS records

🖥️ Nameservers2 records 69ms

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 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.137	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dybvadfjernvarme-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 52.101.103.137 52.101.68.0 52.101.68.25 52.101.73.26	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.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 → 40.104.116.24

🔷 AAAA Records (IPv6)1 records 57ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:4b:661c:fb7a:35e6	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 180ms

TXT Record
MS=ms45727291
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dybvadfjernvarme.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)

🔐 DNSSEC97ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082204
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

69ms

A

58ms

MX

58ms

AAAA

57ms

TXT

180ms

CAA

53ms

HTTPS

66ms

TLSA

765ms

SOA

0ms

MTA-STS

78ms

DNSSEC

97ms

SRV

77ms

Total

1691ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:45:07	1691ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 08:27:36	1093ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 06:39:41	1926ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 06:28:06	1306ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 19:31:05	1877ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 05:30:49	1257ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 09:29:57	6540ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 21:07:39	727ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 05:10:21	1030ms	2 NS 1 A 1 MX	🔒 Secure	View