efb.dk

📜 Historical scan 2026-07-27 06:36:05  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

efb.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.97 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by mx.mentor-it.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   31ms
NameserverIP addressesPTRASN / 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 Records#

1 records   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.20.216.97 600s s0.enavn.dk AS21060 Atea A/S 178.20.216.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
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#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

1 records   31ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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 Records#

1 records   45ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 1 5061 sip.efb.dk

📝 TXT Records#

7 records   176ms
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#

PolicyRecord (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#

PolicyRecord (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 07:28:44
www CNAMEefb.dk (all on efb.dk)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
k1 dkim.mcsv.net RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: -all

  • warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

25ms
FieldValue
Serial2026071701
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
33ms
MX
32ms
AAAA
31ms
TXT
176ms
CAA
32ms
HTTPS
31ms
TLSA
212ms
SOA
25ms
MTA-STS
41ms
DNSSEC
60ms
SRV
45ms
Total
5250ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 07:28:44 1960ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-12 01:31:58 2327ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-01 06:46:38 688ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-13 09:22:28 1422ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-10 19:52:10 1066ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-04 09:17:24 1836ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-01 13:32:45 863ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-11 18:04:40 4263ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-27 06:36:05 shown 5250ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-18 09:58:57 8989ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-15 06:18:56 2312ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-13 16:19:13 1238ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-11 20:39:37 1113ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-25 00:18:08 3170ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-23 19:48:07 1493ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-21 18:35:28 1158ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 16:44:20 1215ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 06:15:26 19944ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 06:13:28 1751ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 06:00:11 685ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 06:00:07 974ms 2 NS 1 A 1 MX 🔒 Secure
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