dfb.dk

📜 Historical scan 2026-09-26 15:33:05  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dfb.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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   40ms
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   37ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —

📧 MX Records#

3 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx1-dk.centerasecurity.dk 128.76.60.167
128.76.60.187
89.233.19.127
89.233.19.127
89.233.19.188
89.233.19.188		 mx6.centerasecurity.dk
mx6.centerasecurity.dk
127.0-254.19.233.89.in-addr.arpa
mx14.centerasecurity.dk
188.0-254.19.233.89.in-addr.arpa
mx14.centerasecurity.dk		 AS3292 TDC Holding A/S
AS3292 TDC Holding A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
10 600s mx2-dk.centerasecurity.dk 128.76.60.168
128.76.60.169
89.233.19.128
89.233.19.128
89.233.19.129
89.233.19.129		 mx6.centerasecurity.dk
mx6.centerasecurity.dk
128.0-254.19.233.89.in-addr.arpa
mx14.centerasecurity.dk
129.0-254.19.233.89.in-addr.arpa
mx14.centerasecurity.dk		 AS3292 TDC Holding A/S
AS3292 TDC Holding A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
20 600s mx3-dk.centerasecurity.dk 128.76.60.187
89.233.19.129
89.233.19.129		 mx6.centerasecurity.dk
129.0-254.19.233.89.in-addr.arpa
mx14.centerasecurity.dk		 AS3292 TDC Holding A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover195.47.247.18
🔶 Autoconfig195.47.247.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records   61ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 10 443 outlook.domea.dk
_sipfederationtls._tcp 0 1 5061 sipfed.online.lync.com

📝 TXT Records#

2 records   174ms
TXT Record
v=spf1 include:_dfb_dk.spf-protect.com -all
yahoo-verification-key=QQGar9oL6bApgKIXTJVFf+3tWIsPRrrRCYc9LhpxlFM=

✉️ SPF#

PolicyRecord (dfb.dk)
-all (hard fail) v=spf1 include:_dfb_dk.spf-protect.com -all

📨 DMARC#

PolicyRecord (_dmarc.dfb.dk)
p=reject v=DMARC1; p=reject; rua=mailto:6641c269b24ad@dmarc-dk.centerasecurity.com;

📬 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 2026-10-17 15:14:49
www195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

6 records   53ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx1-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC#

67ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026092107
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-16 18:51:15
FieldValue
RegistrarONE.COM A/S
Registered1997-11-28
Expires2026-12-31 (74d)

🔗 Same registrant#

36 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
afd-dfb.dkONE.COM A/S
afdbestyrelsen.dkONE.COM A/S
almenlejebolig.dkPunktum dk A/S (direct)
anes-minde.dkPunktum dk A/S (direct)
ballerup-aeldreboligselskab.dkPunktum dk A/S (direct)
blishoejvej.dkPunktum dk A/S (direct)
blomsterhaven-boligselskab.dkPunktum dk A/S (direct)
boligselskabet-bsb-glamsbjerg.dkPunktum dk A/S (direct)
boligselskabet-bsb-munkebo.dkPunktum dk A/S (direct)
boligselskabet-bsb-nordfyn.dkPunktum dk A/S (direct)
boligselskabet-bsb-svendborg.dkPunktum dk A/S (direct)
boligselskabet-domea-faxe.dkPunktum dk A/S (direct)
boligselskabet-erritsoe.dkPunktum dk A/S (direct)
boligselskabet-hjoerring.dkPunktum dk A/S (direct)
boligselskabet-hybenvaenget.dkPunktum dk A/S (direct)
boligselskabet-kaerbo.dkPunktum dk A/S (direct)
boligselskabet-teglhaven.dkPunktum dk A/S (direct)
boligselskabet-tikoeb.dkPunktum dk A/S (direct)
bsb.dkPunktum dk A/S (direct)
danmarks-boligselskab.dkPunktum dk A/S (direct)
danmarksalmenekonsulenthus.dkONE.COM A/S
domea-afd.dkPunktum dk A/S (direct)
domeabolig.dkONE.COM A/S
faaborg-aeldreboligselskab.dkPunktum dk A/S (direct)
fruehojgaard.dkONE.COM A/S
hilleroed-aeldreboligselskab.dkPunktum dk A/S (direct)
humlebaek-boligselskab.dkPunktum dk A/S (direct)
minboligservice.dkONE.COM A/S
ramsoe-aeldreboligselskab.dkPunktum dk A/S (direct)
roedding-boligselskab.dkPunktum dk A/S (direct)
samarbejdshuset.dkONE.COM A/S
soebo.dkPunktum dk A/S (direct)
solleroed-aeldreboligselskab.dkPunktum dk A/S (direct)
svendborg-boligselskab.dkPunktum dk A/S (direct)
venstenborg-kollegiet.dkPunktum dk A/S (direct)
vojens-bsb.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
40ms
A
37ms
MX
43ms
AAAA
37ms
TXT
174ms
CAA
38ms
HTTPS
42ms
TLSA
53ms
SOA
0ms
MTA-STS
53ms
DNSSEC
67ms
SRV
61ms
Total
705ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-27 15:45:20 977ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-26 15:33:05 shown 705ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-23 19:59:12 1137ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-21 06:47:21 1092ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-06 15:11:34 1094ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-25 13:28:33 756ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-23 18:03:10 918ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-23 11:00:17 1137ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 02:36:19 887ms 2 NS 1 A 3 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone