efficax.dk DNS records

🖥️ Nameservers2 records 45ms

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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.216.14.9	43200s	—	AS42638	Netvaerkssmeden	91.216.14.0/24	🇩🇰 Denmark	—

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	efficax-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca09::a 2a01:111:f403:ca38::8 52.101.68.10 52.101.68.21 52.101.68.25 52.101.68.36	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db5pr02cu00104.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 106ms

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

📝 TXT Records2 records 198ms

TXT Record
MS=ms17967277
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (efficax.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)

🔐 DNSSEC117ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081301
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

45ms

A

46ms

MX

41ms

AAAA

66ms

TXT

198ms

CAA

56ms

HTTPS

54ms

TLSA

314ms

SOA

0ms

MTA-STS

95ms

DNSSEC

117ms

SRV

106ms

Total

1434ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 20:30:28	1434ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 06:54:51	893ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 13:43:07	4528ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 15:45:02	5454ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 09:19:05	17259ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 20:23:58	830ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 23:17:36	1105ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 06:29:11	10408ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 06:18:28	2020ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 06:04:07	669ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 06:01:06	644ms	2 NS 1 A 1 MX	🔒 Secure	View