fjernvarmefyn.dk

📜 Historical scan 2026-09-23 16:33:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fjernvarmefyn.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.19.208.28 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by fjernvarmefyn-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 41ms

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 Records#

1 records 34ms

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

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
9	600s	fjernvarmefyn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::26 2a01:111:f403:ca38::a 2a01:111:f403:ca3c::8 52.101.103.39 52.101.181.153 52.101.68.15 52.101.73.123	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00203.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 52ms

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

📝 TXT Records#

5 records 169ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 14:45:14

www CNAME	dns.umbraco.io (all on umbraco.io) → 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
www vs bare domain	Same network fjernvarmefyn.dk: 104.19.208.28 (AS13335) www.fjernvarmefyn.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u2019128.wl129.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u2019128.wl129.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector2	selector2-fjernvarmefyn-dk._domainkey.fjernvarmefyn365.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

105ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092301
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

34ms

30ms

AAAA

40ms

TXT

169ms

CAA

32ms

HTTPS

34ms

TLSA

644ms

SOA

0ms

MTA-STS

50ms

DNSSEC

105ms

SRV

52ms

Total

1251ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 14:45:14	1173ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 18:28:16	1031ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 17:35:23	970ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 16:33:16 shown	1251ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 02:04:50	1362ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 19:53:52	1050ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 00:15:53	984ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 00:56:36	4568ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 21:50:25	5275ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 12:27:34	1345ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 18:29:43	1285ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 04:30:36	10113ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-09 00:25:44	1312ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 08:36:35	3064ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 23:51:36	1610ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 02:52:36	1663ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 21:17:27	857ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 12:41:11	2540ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:12:17	766ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:10:39	2345ms	2 NS 1 A 1 MX	🔒 Secure