assensfjernvarme.dk DNS records

🖥️ Nameservers2 records 272ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 266ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.64.13	3600s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records1 records 229ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	assensfjernvarme-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::2 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 52.101.68.25 52.101.68.29 52.101.73.2 52.101.73.28	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.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

🔌 SRV Records1 records 297ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	1	100	5061	sipfed.online.lync.com

📝 TXT Records7 records 411ms

TXT Record
_globalsign-domain-verification=-3sjS_N_1ReDwMnQfSDfMn6CWpJGfTqCo07VAa2YId
_globalsign-domain-verification=62e2it6vVA_W1Vzo1vja5ruaXuES7PHqaxPfEPq1Gj
+oCmtNuu7RYB9GJxNTul1TOIBLDHA0k8aHekPP6IL48
CcaBKNfGmnDTT0JmWLEJrWNgLbvxcB7cB+2TGyz9phA
qJiqTP8FIrhmO4igTSTo7+I1x5+GIwQOeN09RlCkwXM
sPXP2e6RHt5Nt0UqMXcwhaM8qmUc/fFcVnTTA2kkaCY
v=spf1 include:spf.protection.outlook.com ip4:193.104.43.187 ip4:46.36.204.66 ip4:188.182.8.161 ip4:5.179.90.3 -all

✉️ SPF

Policy	Record (assensfjernvarme.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:193.104.43.187 ip4:46.36.204.66 ip4:188.182.8.161 ip4:5.179.90.3 -all

📨 DMARC

Policy	Record (_dmarc.assensfjernvarme.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:tjmpklk7@ag.eu.dmarcian.com; ruf=mailto:tjmpklk7@fr.eu.dmarcian.com;

📬 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)

🔐 DNSSEC355ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

272ms

A

266ms

MX

229ms

AAAA

207ms

TXT

411ms

CAA

231ms

HTTPS

220ms

TLSA

240ms

SOA

0ms

MTA-STS

302ms

DNSSEC

355ms

SRV

297ms

Total

1815ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-10 01:28:53	1815ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 01:26:51	1079ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 00:37:57	2018ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:45:36	986ms	2 NS 1 A 1 MX	🔒 Secure	View