celm.dk

📜 Historical scan 2026-08-15 10:28:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

celm.dk is a .dk domain served by 2 nameservers (ns3.supportcenter.dk, ns4.supportcenter.dk). It was registered on 7 December 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by ., slet. 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 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.supportcenter.dk	87.54.32.150	—	AS3292 TDC Holding A/S
ns4.supportcenter.dk	2.106.7.200	ns4.supportcenter.dk	AS3292 TDC Holding A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	. Null MX — domain accepts no email (RFC 7505)
0	3600s	slet	—	—	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 142ms

TXT Record
HARICA-igpa9jCSPEocsvVhgf1
MS=ms11177410
v=spf1 -all

✉️ SPF#

Policy	Record (celm.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.celm.dk)
p=reject	v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.dk

📬 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 19:47:10

www	NXDOMAIN
www vs bare domain	Neither resolves celm.dk: no address www.celm.dk: no address
Wildcard	No
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	1134
Primary NS (MNAME)	ns3.supportcenter.dk
Responsible (RNAME)	hostmaster@supportcenter.dk
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-17 19:59:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-12-07
Expires	2026-12-31 (74d)

🔗 Same registrant#

77 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).

Domain	Registrar
agroteknik.dk	Punktum dk A/S (direct)
animatedlearning.dk	Punktum dk A/S (direct)
animatedscience.dk	Punktum dk A/S (direct)
animationfestival.dk	ONE.COM A/S
animationhub.dk	Punktum dk A/S (direct)
animok.dk	Punktum dk A/S (direct)
animwork.dk	Punktum dk A/S (direct)
bacheloruddannelse.dk	Punktum dk A/S (direct)
bacheloruddannelser.dk	Punktum dk A/S (direct)
barnetslovipraksis.dk	Punktum dk A/S (direct)
bliv-diplomingenior.dk	Punktum dk A/S (direct)
bliv-it-ingenior.dk	Punktum dk A/S (direct)
bliv-it-ingeniør.dk	Punktum dk A/S (direct)
bliv-kortoglandmaalingstekniker.dk	Punktum dk A/S (direct)
bliv-maskiningeniør.dk	Punktum dk A/S (direct)
blivlaerer.dk	Punktum dk A/S (direct)
blivlaerere.dk	Punktum dk A/S (direct)
campus-horsens.dk	Punktum dk A/S (direct)
campusaarhusnord.dk	Punktum dk A/S (direct)
center-for-sygeplejeforskning.dk	Punktum dk A/S (direct)
centerforsygeplejeforskning.dk	Punktum dk A/S (direct)
cirkusvia.dk	Punktum dk A/S (direct)
companydating.dk	Punktum dk A/S (direct)
creativecenter.dk	Punktum dk A/S (direct)
danmarks-netskole.dk	Punktum dk A/S (direct)
diplomuddannelsen-i-ledelse.dk	Punktum dk A/S (direct)
diplomuddannelsen.dk	Punktum dk A/S (direct)
dsh-aa.dk	Punktum dk A/S (direct)
fageneibevægelse.dk	Punktum dk A/S (direct)
folkeuniversitethorsenshedensted.dk	Punktum dk A/S (direct)
forretningsmodeller.dk	Punktum dk A/S (direct)
ingeniøruddannelsen.dk	Punktum dk A/S (direct)
it-ingeniør.dk	Punktum dk A/S (direct)
it-supportcentret.dk	Punktum dk A/S (direct)
itsf.dk	Punktum dk A/S (direct)
kildevurdering.dk	Punktum dk A/S (direct)
laereruddannelse.dk	Punktum dk A/S (direct)
masteruddannelse.dk	Punktum dk A/S (direct)
meritlaerer.dk	Punktum dk A/S (direct)
mitvia.dk	Punktum dk A/S (direct)
mobileprobes.dk	Punktum dk A/S (direct)
nubu.dk	Punktum dk A/S (direct)
outdoorpædagog.dk	Punktum dk A/S (direct)
paedagogiskextrakt.dk	Punktum dk A/S (direct)
professionsbacheloruddannelser.dk	Punktum dk A/S (direct)
project2go.dk	Punktum dk A/S (direct)
pædagog-uddannelse.dk	Punktum dk A/S (direct)
pædagog-uddannelsen.dk	Punktum dk A/S (direct)
pædagogmedhjælper.dk	Punktum dk A/S (direct)
snliskyen.dk	Punktum dk A/S (direct)
sports-traener.dk	Punktum dk A/S (direct)
supportcenter.dk	Punktum dk A/S (direct)
tegndanmark.dk	Punktum dk A/S (direct)
tsop.dk	Punktum dk A/S (direct)
uc-via.dk	Punktum dk A/S (direct)
ucpraktikportal.dk	Punktum dk A/S (direct)
ucvia.dk	Punktum dk A/S (direct)
uddannelsefordig.dk	Punktum dk A/S (direct)
v-i-a.dk	Punktum dk A/S (direct)
via-analytics.dk	DANDOMAIN A/S
via-college.dk	Punktum dk A/S (direct)
via-uc.dk	Punktum dk A/S (direct)
via-universitycollege.dk	Punktum dk A/S (direct)
via.dk	Punktum dk A/S (direct)
viac.dk	Punktum dk A/S (direct)
viacampushorsens.dk	Punktum dk A/S (direct)
viaevent.dk	Punktum dk A/S (direct)
viait.dk	Punktum dk A/S (direct)
viajul.dk	Punktum dk A/S (direct)
vialearning.dk	Punktum dk A/S (direct)
viamedier.dk	Punktum dk A/S (direct)
viaranders.dk	Punktum dk A/S (direct)
viauc.dk	Punktum dk A/S (direct)
viaucj.dk	Punktum dk A/S (direct)
viden-om-realkompetence.dk	Punktum dk A/S (direct)
visuelleveje.dk	Punktum dk A/S (direct)
århuslærer.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

37ms

53ms

AAAA

33ms

TXT

142ms

CAA

29ms

HTTPS

44ms

TLSA

64ms

SOA

0ms

MTA-STS

79ms

DNSSEC

86ms

SRV

48ms

Total

576ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 19:47:10	899ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-15 18:53:52	2454ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-13 11:44:48	381ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-12 10:19:18	492ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-09 05:06:28	3182ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-07 04:43:16	3407ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-05 01:59:41	1564ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-01 01:15:47	541ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-30 01:08:12	561ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-28 00:49:04	521ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-26 00:11:34	2649ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-25 01:43:40	516ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-22 05:15:23	3348ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-15 03:54:48	611ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-13 05:30:18	1129ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-10 05:16:12	562ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-07 07:32:43	3499ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-27 22:01:56	398ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-25 19:32:47	383ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-23 09:51:51	3743ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-22 09:11:52	1218ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-19 00:54:43	10011ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-17 15:29:42	500ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-16 13:14:25	543ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-15 10:28:45 shown	576ms	2 NS 0 A 2 MX	🔒 Secure