lystrupfjernvarme.dk DNS records

🖥️ Nameservers2 records 193ms

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 182ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.64.13	43200s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records1 records 174ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	lystrupfjernvarme-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::b 52.101.68.8 52.101.73.15 52.101.73.16 52.101.73.22	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 52.98.208.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 186ms

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

📝 TXT Records8 records 386ms

TXT Record
_globalsign-domain-verification=RvBJMQdSEynUGf_3uCtuTqYCsffRN7Zq9OqxH9lHs8
+oCmtNuu7RYB9GJxNTul1TOIBLDHA0k8aHekPP6IL48=
CcaBKNfGmnDTT0JmWLEJrWNgLbvxcB7cB+2TGyz9phA=
MS=ms52364923
qJiqTP8FIrhmO4igTSTo7+I1x5+GIwQOeN09RlCkwXM=
RXVldMMsrxYXdmW4217SMk4GhwyvPmiEwIR5R9uI/6U=
sPXP2e6RHt5Nt0UqMXcwhaM8qmUc/fFcVnTTA2kkaCY=
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC258ms

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

🏷️ SOA173ms

Field	Value
Serial	2026041201
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

193ms

A

182ms

MX

174ms

AAAA

326ms

TXT

386ms

CAA

179ms

HTTPS

167ms

TLSA

222ms

SOA

173ms

MTA-STS

188ms

DNSSEC

258ms

SRV

186ms

Total

1197ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-24 14:56:47	1197ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 06:06:14	986ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 07:26:53	978ms	2 NS 1 A 1 MX	🔒 Secure	View