dcgc.dk

Records from scan: 2026-09-25 17:49:01 · 463ms total · last checked 2026-10-16 13:54 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dcgc.dk is a .dk domain served by 4 nameservers (ns01.one.com, ns02.one.com, ns1.nbi.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.212.5 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by mx2.nbi.dk. The zone is not DNSSEC-signed, 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#

4 records 46ms

Nameserver	IP addresses	PTR	ASN / 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
ns1.nbi.dk	130.225.212.46	ns1.nbi.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns2.nbi.dk	130.225.212.55	ns2.nbi.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.225.212.5	86400s	—	AS1835	IDDQD-AS	130.225.0.0/16	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mx2.nbi.dk	130.225.213.194	mx2.nbi.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 149ms

TXT Record
Danish Center for Grid Computing
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.dcgc.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s

📬 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#

checked 2026-10-07 22:29:45

www	130.225.212.5 (AS1835) (address records, no CNAME)
www vs bare domain	Same network dcgc.dk: 130.225.212.5 (AS1835) www.dcgc.dk: 130.225.212.5 (AS1835)
Wildcard	No

✍️ 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#

73ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2024103101
Primary NS (MNAME)	ns1.nbi.dk
Responsible (RNAME)	hostmaster@nbi.dk
Refresh	7200s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

46ms

34ms

37ms

AAAA

41ms

TXT

149ms

CAA

37ms

HTTPS

38ms

TLSA

52ms

SOA

0ms

MTA-STS

48ms

DNSSEC

73ms

SRV

59ms

Total

463ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 17:49:01 shown	463ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-02 00:40:59	725ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 01:15:02	510ms	4 NS 1 A 1 MX	🔓 Insecure