grevefjernvarme.dk DNS records

🖥️ Nameservers2 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 Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.64.13	600s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records1 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	grevefjernvarme-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::2 2a01:111:f403:ca09::24 2a01:111:f403:ca09::28 52.101.103.143 52.101.209.153 52.101.68.15 52.101.73.4	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am0pr83cu00404.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 Records9 records 172ms

TXT Record
_globalsign-domain-verification=WrP1RC6WxPy8jx1um73QEQ1SPUSyHQzVNsnmZr_V-f
+oCmtNuu7RYB9GJxNTul1TOIBLDHA0k8aHekPP6IL48=
CcaBKNfGmnDTT0JmWLEJrWNgLbvxcB7cB+2TGyz9phA=
mbtgq1l14htjflw5ktlztzkvgt9x2wg4
MS=ms85931655
qJiqTP8FIrhmO4igTSTo7+I1x5+GIwQOeN09RlCkwXM=
RXVldMMsrxYXdmW4217SMk4GhwyvPmiEwIR5R9uI/6U=
sPXP2e6RHt5Nt0UqMXcwhaM8qmUc/fFcVnTTA2kkaCY=
v=spf1 a ip4:152.115.77.131 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (grevefjernvarme.dk)
-all (hard fail)	v=spf1 a ip4:152.115.77.131 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.grevefjernvarme.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s; aspf=s;

📬 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)

🔐 DNSSEC80ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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

41ms

A

44ms

MX

63ms

AAAA

53ms

TXT

172ms

CAA

50ms

HTTPS

54ms

TLSA

175ms

SOA

0ms

MTA-STS

75ms

DNSSEC

80ms

SRV

60ms

Total

833ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 21:50:00	833ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 05:55:53	7174ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 21:54:03	755ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 14:24:46	750ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:25:52	863ms	2 NS 1 A 1 MX	🔒 Secure	View