fjernvarmefyn.dk DNS records

🖥️ Nameservers2 records 43ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.19.208.28	3600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
9	600s	fjernvarmefyn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::f 2a01:111:f403:ca38::8 52.101.68.18 52.101.68.36 52.101.73.126 52.101.73.26	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am8pr83cu00106.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 84ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records5 records 222ms

TXT Record
apple-domain-verification=bMgZ8XMijUti9lCK
google-site-verification=LZr_bEG_x9dxCo21QbjBcvF9nak3Kcz-GfvKDLstIs0
ms-domain-verification=d41835d2-ddab-4e15-8e6d-6940a796a41c
MS=ms15991943
v=spf1 ip4:130.185.137.141 ip4:152.115.135.195 a mx include:spf.protection.outlook.com include:eu.mailgun.org -all

✉️ SPF

Policy	Record (fjernvarmefyn.dk)
-all (hard fail)	v=spf1 ip4:130.185.137.141 ip4:152.115.135.195 a mx include:spf.protection.outlook.com include:eu.mailgun.org -all

📨 DMARC

Policy	Record (_dmarc.fjernvarmefyn.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rua@fjernvarmefyn.dk; ruf=mailto:ruf@fjernvarmefyn.dk

📬 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	2026081810
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

43ms

A

42ms

MX

53ms

AAAA

49ms

TXT

222ms

CAA

58ms

HTTPS

49ms

TLSA

177ms

SOA

0ms

MTA-STS

79ms

DNSSEC

97ms

SRV

84ms

Total

984ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 00:15:53	984ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 00:56:36	4568ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 21:50:25	5275ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 12:27:34	1345ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 18:29:43	1285ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 04:30:36	10113ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 00:25:44	1312ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 08:36:35	3064ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 23:51:36	1610ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 02:52:36	1663ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 21:17:27	857ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 12:41:11	2540ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:12:17	766ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:10:39	2345ms	2 NS 1 A 1 MX	🔒 Secure	View