3rcenter.dk

Records from scan: 2026-10-23 04:28:37 · 19696ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3rcenter.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 12 February 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.72.21.198 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by mx01.statens-it.dk, mx02.statens-it.dk and 6 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 120ms

Nameserver	IP addresses	PTR	ASN / ISP
ns6.sitnet.dk	107.162.234.197 2604:e180:1071::3:1	— —	AS55002 F5, Inc. AS55002 F5, Inc.
ns7.sitnet.dk	107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd	— —	AS55002 F5, Inc. AS55002 F5, Inc.

🌍 A Records#

1 records 227ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.72.21.198	300s	3rcenter.t3hot.dk	AS3342	Cibicom A/S	178.72.16.0/21	🇩🇰 Denmark	—

📧 MX Records#

8 records 126ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx01.statens-it.dk	194.182.109.217	mx01.statens-it.dk	AS58282 Statens IT
10	600s	mx02.statens-it.dk	194.182.109.218	mx02.statens-it.dk	AS58282 Statens IT
10	600s	mx03.statens-it.dk	194.182.109.219	mx03.statens-it.dk	AS58282 Statens IT
10	600s	mx04.statens-it.dk	194.182.109.220	mx04.statens-it.dk	AS58282 Statens IT
10	600s	mx05.statens-it.dk	194.182.109.221	mx05.statens-it.dk	AS58282 Statens IT
10	600s	mx06.statens-it.dk	194.182.109.222	mx06.statens-it.dk	AS58282 Statens IT
10	600s	mx07.statens-it.dk	194.182.109.223	mx07.statens-it.dk	AS58282 Statens IT
10	600s	mx08.statens-it.dk	194.182.109.224	mx08.statens-it.dk	AS58282 Statens IT

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 909ms

TXT Record
I2As3ozvbNwPv3jFspARXy2bWXqyuMiEZePQ8VjAICeDJzNuLDJfwuWfYoOQQwas5AN0idkHRRt1cq+/Kq4ABQ==
MS=ms17076358
MS=ms21229115
Unq++jlaLTIxRhD5D64jv3tkcir1Rgl1eEe2mZQtu/iJ9OrR9snSOlxmpCEYACeVCD27gkhyRFbFLTVO0LE43w==
v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 ip4:77.66.10.196 ip4:178.72.21.198 include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (3rcenter.dk)
~all (soft fail)	v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 ip4:77.66.10.196 ip4:178.72.21.198 include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.3rcenter.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tcod1eh2@tls.eu.dmarcadvisor.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-23 04:28:37

www CNAME	3rcenter.dk (all on 3rcenter.dk) → 178.72.21.198 (AS3342)
www vs bare domain	Same network 3rcenter.dk: 178.72.21.198 (AS3342) www.3rcenter.dk: 178.72.21.198 (AS3342)
Wildcard	No
Denial of existence	NSEC3 · 10 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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

16 records 975ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx01.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx01.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx02.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx02.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx03.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx03.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx04.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx04.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx05.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx05.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx06.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx06.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx07.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx07.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx08.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx08.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…

🔐 DNSSEC#

394ms

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

🏷️ SOA#

122ms

Field	Value
Serial	16955
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-20 09:40:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-02-12
Expires	2029-02-28 (859d)

🔗 Same registrant#

82 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
3rcentre.dk	Punktum dk A/S (direct)
8kostraad.dk	Punktum dk A/S (direct)
altomkost.dk	Punktum dk A/S (direct)
bedre-dyrevelfaerd.dk	Punktum dk A/S (direct)
bedre-dyrevelfærd.dk	Punktum dk A/S (direct)
bedredyrevelfærd.dk	Punktum dk A/S (direct)
cleanellerklam.dk	Punktum dk A/S (direct)
de8kostraad.dk	Punktum dk A/S (direct)
detvetsund.dk	Punktum dk A/S (direct)
detøkologiskespisemærke.dk	Punktum dk A/S (direct)
dvfa.dk	Punktum dk A/S (direct)
dyreforsoegstilsynet.dk	Punktum dk A/S (direct)
dyrevelfaerdiskolen.dk	Punktum dk A/S (direct)
dyrevelfaerdsmaerket.dk	Punktum dk A/S (direct)
dyrevelfærdiskolen.dk	Punktum dk A/S (direct)
dyrevelfærdsmærket.dk	Punktum dk A/S (direct)
enhalvliter.dk	Punktum dk A/S (direct)
erduforsoed.dk	Punktum dk A/S (direct)
erduforsød.dk	Punktum dk A/S (direct)
find-smiley.dk	Punktum dk A/S (direct)
find-smileyer.dk	Punktum dk A/S (direct)
find-smileys.dk	Punktum dk A/S (direct)
findelitesmiley.dk	Punktum dk A/S (direct)
findesmiley.dk	Punktum dk A/S (direct)
findesmileyer.dk	Punktum dk A/S (direct)
findesmileys.dk	Punktum dk A/S (direct)
findhundesmiley.dk	Punktum dk A/S (direct)
findsmil.dk	Punktum dk A/S (direct)
findsmiley.dk	Punktum dk A/S (direct)
findsmileyer.dk	Punktum dk A/S (direct)
findsmileys.dk	Punktum dk A/S (direct)
fmin.dk	Punktum dk A/S (direct)
fodevarestyrelsen.dk	Punktum dk A/S (direct)
foedevareallergi.dk	Punktum dk A/S (direct)
foedevaredirektoratet.dk	Punktum dk A/S (direct)
foedevarestyrelsen.dk	Punktum dk A/S (direct)
foodtesten.dk	Punktum dk A/S (direct)
frugtfest.dk	Punktum dk A/S (direct)
fugleinfluenza.dk	Punktum dk A/S (direct)
fvs.dk	Punktum dk A/S (direct)
fvst.dk	Punktum dk A/S (direct)
fødevarepartnerskabet.dk	Punktum dk A/S (direct)
fødevarestyrelsen.dk	Punktum dk A/S (direct)
glr-chr.dk	Punktum dk A/S (direct)
hjemmesmiley.dk	Punktum dk A/S (direct)
husdyrindberetning.dk	Punktum dk A/S (direct)
husdyrindberetninger.dk	Punktum dk A/S (direct)
klartilkæledyr.dk	Punktum dk A/S (direct)
klimakostraad.dk	Punktum dk A/S (direct)
koncernkommunikation.dk	Punktum dk A/S (direct)
landbrugsindberetning.dk	Punktum dk A/S (direct)
maaltidsguide.dk	Punktum dk A/S (direct)
maaltidsmaerket.dk	Punktum dk A/S (direct)
mad-allergi.dk	Punktum dk A/S (direct)
madallergi.dk	Punktum dk A/S (direct)
madmedmindrekemi.dk	Punktum dk A/S (direct)
maksenhalvliter.dk	Punktum dk A/S (direct)
maxenhalvliter.dk	Punktum dk A/S (direct)
miljoefoedevareministeriet.dk	Punktum dk A/S (direct)
miljoeogfoedevareministeriet.dk	Punktum dk A/S (direct)
miljofodevareministeriet.dk	Punktum dk A/S (direct)
miljoogfodevareministeriet.dk	Punktum dk A/S (direct)
miljøfødevareministeriet.dk	Punktum dk A/S (direct)
miljøogfødevareministeriet.dk	Punktum dk A/S (direct)
minsmiley.dk	Punktum dk A/S (direct)
måltidsguide.dk	Punktum dk A/S (direct)
måltidsmærket.dk	Punktum dk A/S (direct)
noeglehullet.dk	Punktum dk A/S (direct)
nogelhullet.dk	Punktum dk A/S (direct)
noglehullet.dk	Punktum dk A/S (direct)
nøglehullet.dk	Punktum dk A/S (direct)
soedbalance.dk	Punktum dk A/S (direct)
sofi-platform.dk	Punktum dk A/S (direct)
sofiplatform.dk	Punktum dk A/S (direct)
spismest.dk	Punktum dk A/S (direct)
spismindre.dk	Punktum dk A/S (direct)
statskontrolleretdyrevelfærd.dk	Punktum dk A/S (direct)
sukkernarkoman.dk	Punktum dk A/S (direct)
sukkerspion.dk	Punktum dk A/S (direct)
sukkerspionen.dk	Punktum dk A/S (direct)
sødbalance.dk	Punktum dk A/S (direct)
tjekdatoen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

120ms

227ms

126ms

AAAA

223ms

TXT

909ms

CAA

221ms

HTTPS

223ms

TLSA

975ms

SOA

122ms

MTA-STS

338ms

DNSSEC

394ms

SRV

436ms

Total

19696ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 04:28:37 shown	19696ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-20 09:26:25	5930ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-19 09:07:13	17985ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-18 08:26:42	8609ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-17 08:07:09	1524ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-16 08:04:03	10994ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-15 07:13:47	3321ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-14 07:06:58	9921ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-13 05:05:02	4794ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-12 03:09:05	5532ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-11 01:52:30	10179ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-10 00:22:40	9654ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-08 23:23:46	3270ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-07 22:48:39	9822ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-06 22:42:35	18847ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-05 19:39:19	1282ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-04 19:36:00	18131ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-03 19:29:08	18116ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-02 19:26:34	5468ms	2 NS 1 A 8 MX	🔒 Secure
2026-10-01 19:24:13	1369ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-30 19:18:09	11732ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-29 19:14:33	18321ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-28 19:05:52	17798ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-27 18:56:17	17757ms	2 NS 1 A 8 MX	🔒 Secure
2026-09-26 18:38:51	1884ms	2 NS 1 A 8 MX	🔒 Secure