3e.dk DNS records

🖥️ Nameservers2 records 62ms

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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
152.115.36.113	3600s	s11.stom.dk	AS31027	GlobalConnect A/S	152.115.0.0/16	🇩🇰 Denmark	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	3e-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::5 52.101.68.18 52.101.68.3 52.101.68.32 52.101.73.8	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db3pr0202cu00200.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	3e.dk → 152.115.36.113

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 96ms

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

📝 TXT Records1 records 188ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:62.243.244.38 ip4:46.36.211.197 -all

✉️ SPF

Policy	Record (3e.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:62.243.244.38 ip4:46.36.211.197 -all

📨 DMARC

Policy	Record (_dmarc.3e.dk)
p=reject	v=DMARC1; p=reject; sp=reject; pct=100;

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.3e.dk	3e.dk

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC101ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081001
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

62ms

A

40ms

MX

46ms

AAAA

58ms

TXT

188ms

CAA

46ms

HTTPS

65ms

TLSA

1883ms

SOA

0ms

MTA-STS

83ms

DNSSEC

101ms

SRV

96ms

Total

3137ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 04:51:38	3137ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 12:09:27	1693ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 20:30:49	2732ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 12:14:34	3852ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 04:05:24	1128ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 13:14:20	987ms	2 NS 1 A 1 MX	🔒 Secure	View