a-johnsen.dk DNS records

🖥️ Nameservers2 records 44ms

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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.150.1.1	600s	—	AS16509	Amazon.com, Inc.	216.150.1.0/24	🇺🇸 United States	—

📧 MX Records1 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ajohnsen-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca09::28 52.101.68.21 52.101.68.25 52.101.68.36 52.101.73.16	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 131ms

TXT Record
google-site-verification=7HAiRinBkGjoGgoV10SntGC2s2gguRhYEBB3exWYoVI
MS=ms93662871
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (a-johnsen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.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)

🔐 DNSSEC99ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082607
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

44ms

A

27ms

MX

25ms

AAAA

36ms

TXT

131ms

CAA

31ms

HTTPS

35ms

TLSA

300ms

SOA

0ms

MTA-STS

43ms

DNSSEC

99ms

SRV

40ms

Total

816ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 20:42:52	816ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 15:24:13	886ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 23:49:58	9143ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 13:18:51	8735ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 18:33:39	1899ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 21:59:10	1270ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 03:16:09	4301ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 20:09:30	973ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 01:53:50	2532ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 01:04:02	6834ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:36:41	833ms	2 NS 1 A 1 MX	🔒 Secure	View