holebyfjernvarme.dk DNS records

🖥️ Nameservers4 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-38.azure-dns.com	150.171.10.38 2603:1061:0:10::26	ns1-38.azure-dns.com ns1-38.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-38.azure-dns.net	150.171.16.38 2620:1ec:8ec:10::26	ns2-38.azure-dns.net ns2-38.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-38.azure-dns.org	13.107.222.38 2a01:111:4000:10::26	ns3-38.azure-dns.org ns3-38.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-38.azure-dns.info	13.107.206.38 2620:1ec:bda:10::26	ns4-38.azure-dns.info ns4-38.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.65	600s	linux20.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	holebyfjernvarme-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::5 2a01:111:f403:ca09::6 2a01:111:f403:ca09::f 52.101.68.3 52.101.73.123 52.101.73.28 52.101.73.8	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 185ms

TXT Record
MS=ms85901706
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (holebyfjernvarme.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.holebyfjernvarme.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; fo=1;

📬 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)

🔐 DNSSEC84ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-38.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

50ms

A

48ms

MX

58ms

AAAA

72ms

TXT

185ms

CAA

66ms

HTTPS

40ms

TLSA

238ms

SOA

0ms

MTA-STS

60ms

DNSSEC

84ms

SRV

136ms

Total

838ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:41:32	838ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 04:47:30	2021ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 06:53:06	920ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 13:09:55	4151ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:37:57	3348ms	4 NS 1 A 1 MX	🔓 Insecure	View