sefiber.dk

📜 Historical scan 2026-10-01 20:10:55  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sefiber.dk is a .dk domain served by 2 nameservers (ns0118.secondary.cloudflare.com, ns0240.secondary.cloudflare.com). It was registered on 28 March 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtptrap.bbsyd.dk, sdr-mail01.sefiber.dk. The zone is not DNSSEC-signed, has no 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   39ms
NameserverIP addressesPTRASN / ISP
ns0118.secondary.cloudflare.com 162.159.32.119
2606:4700:51::a29f:2077		 ns0118.secondary.cloudflare.com
ns0118.secondary.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ns0240.secondary.cloudflare.com 162.159.33.115
2606:4700:59::a29f:2173		 ns0240.secondary.cloudflare.com
ns0240.secondary.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

🌍
No A records found

📧 MX Records#

2 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
5 86400s smtptrap.bbsyd.dk — — —
10 86400s sdr-mail01.sefiber.dk 178.132.230.36 178-132-230-36.norlyscustomer.net AS39642 Sinal A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   181ms
TXT Record
sefiber.dk.INTXTv=spf1 mx a ptr a:smtp.bbsyd.dk include:bbsyd.dk ~all

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 18:21:04
wwwNXDOMAIN
www vs bare domainNeither resolves
sefiber.dk: no address
www.sefiber.dk: no address
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

67ms
FieldValue
Serial2026100101
Primary NS (MNAME)ns0118.secondary.cloudflare.com
Responsible (RNAME)hostmaster@norlys.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-13 18:59:27
FieldValue
RegistrarEurodns S.A
Registered2012-03-28
Expires2027-03-31 (164d)

🔗 Same registrant#

88 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
123fiber.dkEurodns S.A
aeroe-energi.dkEurodns S.A
andelsenergi.dkEurodns S.A
andelsselskabethefenergimidt.dkEurodns S.A
auraselvbetjening.dkEurodns S.A
aurawebmail.dkEurodns S.A
bokser-play.dkEurodns S.A
boksershop.dkEurodns S.A
boxer.dkEurodns S.A
boxerbredbaand.dkEurodns S.A
boxerdk.dkEurodns S.A
boxerflex.dkEurodns S.A
boxerflex8.dkEurodns S.A
boxerkampagne.dkEurodns S.A
boxerplay.dkEurodns S.A
boxertv.dkEurodns S.A
boxertvdk.dkEurodns S.A
elro.dkEurodns S.A
elronet.dkEurodns S.A
em2.dkEurodns S.A
energimidt.dkEurodns S.A
energinord-holding.dkEurodns S.A
energinordholding.dkEurodns S.A
energivogter.dkEurodns S.A
enigdk.dkEurodns S.A
eniig-energiteknik.dkEurodns S.A
eniig-ext.dkEurodns S.A
eniig-forsyning.dkEurodns S.A
eniig-renewables.dkEurodns S.A
eniigenergi.dkEurodns S.A
eniigenergihandel.dkEurodns S.A
eniiig.dkEurodns S.A
er-du-eniig.dkEurodns S.A
fibertilvestjylland.dkEurodns S.A
gazz.dkEurodns S.A
hef-himmerlandselforsyning.dkEurodns S.A
hmn-naturgas.dkEurodns S.A
hmnselvbetjening.dkEurodns S.A
innovationfur.dkEurodns S.A
mbbpartnerportal.dkEurodns S.A
mef.dkEurodns S.A
minselvbetjening.dkEurodns S.A
mitenergimidt.dkEurodns S.A
mvision.dkEurodns S.A
naturgas.dkEurodns S.A
naturgassalg.dkEurodns S.A
nibeel.dkEurodns S.A
nlys.dkEurodns S.A
nordlys-energi.dkEurodns S.A
nordlys.dkEurodns S.A
nordlysamba.dkEurodns S.A
noriys.dkEurodns S.A
norlys-energi.dkEurodns S.A
norlys-net.dkEurodns S.A
norlys-tv.dkEurodns S.A
norlys.dkEurodns S.A
norlysbredbånd.dkEurodns S.A
norlyselnet.dkEurodns S.A
norlysfibernet.dkEurodns S.A
norlysladeboks.dkEurodns S.A
norlysmobil.dkEurodns S.A
norlysnet.dkEurodns S.A
norlysprivat.dkEurodns S.A
norlysstroem.dkEurodns S.A
norlystele.dkEurodns S.A
norlystelekom.dkEurodns S.A
norlystest.dkEurodns S.A
norlystv.dkEurodns S.A
nyka.dkEurodns S.A
pvib.dkEurodns S.A
pvislandbornholm.dkEurodns S.A
rah-energimidt.dkEurodns S.A
rah-fiberbredbaand.dkEurodns S.A
se.dkEurodns S.A
sebigblue.dkEurodns S.A
sef-fiber.dkEurodns S.A
setilskud.dkEurodns S.A
sewholesale.dkEurodns S.A
soebonet.dkEurodns S.A
sol-på-taget.dkEurodns S.A
stofa-mail.dkEurodns S.A
superput.dkEurodns S.A
sådan-energi.dkEurodns S.A
telefiber.dkEurodns S.A
thedarkroom.dkEurodns S.A
vestervig-kfum.dkEurodns S.A
wwwboxer.dkEurodns S.A
wwwboxertv.dkEurodns S.A
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
43ms
MX
38ms
AAAA
56ms
TXT
181ms
CAA
46ms
HTTPS
46ms
TLSA
76ms
SOA
67ms
MTA-STS
61ms
DNSSEC
126ms
SRV
63ms
Total
1061ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 18:21:04 1877ms 2 NS 0 A 2 MX 🔓 Insecure
2026-10-08 16:34:51 2032ms 2 NS 0 A 2 MX 🔓 Insecure
2026-10-02 15:08:09 408ms 2 NS 0 A 2 MX 🔓 Insecure
2026-10-01 20:10:55 shown 1061ms 2 NS 0 A 2 MX 🔓 Insecure
2026-09-29 19:43:20 775ms 2 NS 0 A 2 MX 🔓 Insecure
2026-09-25 13:33:43 577ms 2 NS 0 A 2 MX 🔓 Insecure
2026-09-20 05:06:27 1516ms 2 NS 0 A 2 MX 🔓 Insecure
2026-09-13 03:54:36 1044ms 2 NS 0 A 2 MX 🔓 Insecure
2026-09-03 19:54:02 561ms 2 NS 0 A 2 MX 🔓 Insecure
2026-08-28 03:08:34 600ms 2 NS 0 A 2 MX 🔓 Insecure
2026-08-21 14:11:44 789ms 2 NS 0 A 2 MX 🔓 Insecure
2026-08-13 23:19:56 2627ms 2 NS 0 A 2 MX 🔓 Insecure
2026-08-07 02:52:39 1411ms 2 NS 0 A 2 MX 🔓 Insecure
2026-07-31 23:02:46 1447ms 2 NS 0 A 2 MX 🔓 Insecure
2026-07-24 10:43:02 1389ms 2 NS 0 A 2 MX 🔓 Insecure
2026-07-17 22:41:20 886ms 2 NS 0 A 2 MX 🔓 Insecure
2026-07-09 14:58:08 1488ms 2 NS 0 A 2 MX 🔓 Insecure
2026-07-03 13:25:08 652ms 2 NS 0 A 2 MX 🔓 Insecure
2026-06-27 06:10:28 880ms 2 NS 0 A 2 MX 🔓 Insecure
2026-06-18 16:42:12 783ms 2 NS 0 A 2 MX 🔓 Insecure
2026-06-17 13:56:18 1861ms 2 NS 0 A 2 MX 🔓 Insecure
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