fjernvarmefyn.dk

Records from scan: 2026-10-13 14:45:14 · 1173ms total · last checked 2026-10-16 17:40 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 40ms

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 39ms

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 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
9	600s	fjernvarmefyn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca21::e 2a01:111:f403:ca38::a 52.101.181.156 52.101.68.27 52.101.68.39 52.101.91.153	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00101.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 58ms

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

📝 TXT Records#

5 records 158ms

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#

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#

57ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2026101201
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#

40ms

39ms

42ms

AAAA

37ms

TXT

158ms

CAA

37ms

HTTPS

36ms

TLSA

741ms

SOA

46ms

MTA-STS

48ms

DNSSEC

57ms

SRV

58ms

Total

1173ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 14:45:14 shown	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	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