harslev.dk DNS records

🖥️ Nameservers2 records 65ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	—	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	haarslev-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::2 2a01:111:f403:ca04::5 2a01:111:f403:ca04::8 52.101.68.0 52.101.68.12 52.101.68.18 52.101.73.15	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am9pr04cu00107.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 161ms

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

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

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

📨 DMARC

Policy	Record (_dmarc.harslev.dk)
p=reject	v=DMARC1; p=reject; 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)

🔐 DNSSEC108ms

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

🏷️ SOA89ms

Field	Value
Serial	2026060901
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

65ms

A

38ms

MX

39ms

AAAA

36ms

TXT

161ms

CAA

36ms

HTTPS

68ms

TLSA

648ms

SOA

89ms

MTA-STS

65ms

DNSSEC

108ms

SRV

0ms

Total

1299ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 06:25:06	5198ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 09:47:42	748ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 08:36:19	447ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 00:46:38	1289ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 12:22:10	1019ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 15:39:43	2080ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 10:40:52	1395ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 17:34:55	1554ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 09:43:26	971ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 19:37:26	980ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 13:22:52	1848ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:04:58	1068ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:00:54	1074ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:57:51	1667ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:57:34	1299ms	2 NS 1 A 1 MX	🔒 Secure	View