john-drejer.dk DNS records

🖥️ Nameservers2 records 31ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.153	3600s	webcluster26.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	johndrejer-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::26 2a01:111:f403:ca09::f 52.101.103.137 52.101.73.1 52.101.73.123 52.101.73.8	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am0pr04cu00500.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
🔶 Autoconfig	77.111.240.153

🔷 AAAA Records (IPv6)1 records 28ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:c8:c177:9d5d:c96e	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 84ms

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

📝 TXT Records2 records 130ms

TXT Record
MS=ms81139982
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:86.52.113.125 include:spf.minuba.dk -all

✉️ SPF

Policy	Record (john-drejer.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:86.52.113.125 include:spf.minuba.dk -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)

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083001
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

31ms

A

33ms

MX

33ms

AAAA

28ms

TXT

130ms

CAA

24ms

HTTPS

20ms

TLSA

689ms

SOA

0ms

MTA-STS

40ms

DNSSEC

96ms

SRV

84ms

Total

1169ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 23:31:07	1169ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 08:51:52	2455ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 08:09:06	10755ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 05:29:10	1323ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 02:18:03	1475ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 15:35:46	1338ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 23:33:36	740ms	2 NS 1 A 1 MX	🔒 Secure	View