3xj.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.apollodns.dk	193.32.65.45	mail.apollodns.dk	AS3292 TDC Holding A/S
ns2.apollodns.dk	193.32.65.46	—	AS3292 TDC Holding A/S

🌍 A Records1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.32.65.45	3600s	mail.apollodns.dk	AS3292	TDC Holding A/S	193.32.65.0/24	🇩🇰 Denmark	—

📧 MX Records1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	3xj-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca48::8 2a01:111:f403:ca48::a 52.101.68.12 52.101.68.25 52.101.68.5 52.101.73.155	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 69ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 160ms

TXT Record
MS=ms22823514
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (3xj.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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)

🔐 DNSSEC108ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2010120158
Primary NS (MNAME)	ns1.apollodns.dk
Responsible (RNAME)	admin@apollodns.dk
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

55ms

A

49ms

MX

68ms

AAAA

68ms

TXT

160ms

CAA

37ms

HTTPS

61ms

TLSA

591ms

SOA

0ms

MTA-STS

46ms

DNSSEC

108ms

SRV

69ms

Total

1324ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 20:34:37	1324ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 00:50:08	3127ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 12:37:26	815ms	2 NS 1 A 1 MX	🔓 Insecure	View