efb.dk DNS records

🖥️ Nameservers2 records 51ms

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
178.20.216.97	600s	s0.enavn.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mx.mentor-it.dk	176.62.205.101 176.62.205.102 176.62.205.103 176.62.205.104	mx1.mentor-it.dk mx2.mentor-it.dk mx3.mentor-it.dk mx4.mentor-it.dk	AS57030 Itm8 A/S AS57030 Itm8 A/S AS57030 Itm8 A/S AS57030 Itm8 A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)1 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7cc0:101:ffff::1:12	3600s	—	AS21060	Atea A/S	2a01:7cc0:100:0:0:0:0:0/40	🇩🇰 Denmark	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 69ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sip.efb.dk

📝 TXT Records7 records 202ms

TXT Record
_globalsign-domain-verification=-mXPosZFXuVckiXtiDOMAXJ0nh9DRVFyOPH6m6chhX
19h438jqvf4j4ffaaeeoo143o9
apple-domain-verification=bXx6chuSEn7Bnj8D
google-site-verification=4ckKWLR-vC2gjq0N5JacKoBuERK1bx1NTa-Fimuc2MU
jegau76f8sihh4l6q6pjpigecs
MS=ms32378707
v=spf1 a include:spf.mandrillapp.com ip4:193.221.124.2 ip4:185.16.17.56 ip4:78.157.102.108 mx:itfservice.dk include:spf.eu.exclaimer.net ip4:81.7.132.82 ip4:81.7.132.87 ip4:91.193.137.122 ip4:212.37.140.204 ip4:87.54.30.238 mx:outforce.dk include:spf.mentor-it.dk include:spf.protection.outlook.com include:_spf.dotserv.com -all

✉️ SPF

Policy	Record (efb.dk)
-all (hard fail)	v=spf1 a include:spf.mandrillapp.com ip4:193.221.124.2 ip4:185.16.17.56 ip4:78.157.102.108 mx:itfservice.dk include:spf.eu.exclaimer.net ip4:81.7.132.82 ip4:81.7.132.87 ip4:91.193.137.122 ip4:212.37.140.204 ip4:87.54.30.238 mx:outforce.dk include:spf.mentor-it.dk include:spf.protection.outlook.com include:_spf.dotserv.com -all

📨 DMARC

Policy	Record (_dmarc.efb.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=quarantine; adkim=r; aspf=r; rf=afrf; pct=100; ri=86400

📬 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)

🔐 DNSSEC85ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
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

51ms

A

46ms

MX

46ms

AAAA

38ms

TXT

202ms

CAA

40ms

HTTPS

55ms

TLSA

233ms

SOA

0ms

MTA-STS

56ms

DNSSEC

85ms

SRV

69ms

Total

863ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 13:32:45	863ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 18:04:40	4263ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 06:36:05	5250ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 09:58:57	8989ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 06:18:56	2312ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 16:19:13	1238ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 20:39:37	1113ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 00:18:08	3170ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 19:48:07	1493ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 18:35:28	1158ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 16:44:20	1215ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 06:15:26	19944ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 06:13:28	1751ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 06:00:11	685ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 06:00:07	974ms	2 NS 1 A 1 MX	🔒 Secure	View