sysadm.dk

📜 Historical scan 2026-09-01 11:35:59  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sysadm.dk is a .dk domain served by 2 nameservers (ns01.tinydns.dk, ns02.tinydns.dk). It was registered on 18 June 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.mxx.dk. 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   64ms
NameserverIP addressesPTRASN / ISP
ns01.tinydns.dk 167.172.166.123
2a03:b0c0:3:d0::12ec:e001		 ns01.tinydns.dk
ns01.tinydns.dk		 AS14061 DigitalOcean, LLC
AS14061 DigitalOcean, LLC
ns02.tinydns.dk 174.138.8.195
2a03:b0c0:2:d0::1065:1		 ns02.tinydns.dk
ns02.tinydns.dk		 AS14061 DigitalOcean, LLC
AS14061 DigitalOcean, LLC

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   64ms
PriorityTTLMail ServerIP addressesPTRASN
10 1800s mail.mxx.dk 2a03:b0c0:3:d0::10e9:a001 mail.mxx.dk AS14061 DigitalOcean, LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   287ms
TXT Record
google-site-verification=vGy61H6fexDXZqrmPf1AC8euJDCbJNy5-CWUNHjeM4s
have-i-been-pwned-verification=dweb_60b72htjostcccxq5f0s5odq
v=spf1 include:mxx.dk -all

✉️ SPF#

PolicyRecord (sysadm.dk)
-all (hard fail) v=spf1 include:mxx.dk -all

📨 DMARC#

PolicyRecord (_dmarc.sysadm.dk)
p=reject v=DMARC1; p=reject; pct=100; rua=mailto:support@mxx.dk; adkim=r; aspf=r

📬 MTA-STS#

247ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20260131210517Z
max_age604800s
Policy MXmail.mxx.dk

📈 TLSRPT#

StatusReport address (rua)
✓ Enabled mailto:rpt@mxx.dk

📜 CAA Records#

2 records   60ms
FlagsTagValue
0 issue letsencrypt.org
0 issuewild letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-23 18:10:34
wwwNXDOMAIN
www vs bare domainNeither resolves
sysadm.dk: no address
www.sysadm.dk: no address
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

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#

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

🔐 DNSSEC#

87ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

0ms
FieldValue
Serial2026090100
Primary NS (MNAME)ns01.tinydns.dk
Responsible (RNAME)hostmaster@tinydns.dk
Refresh3600s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 07:47:47
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2024-06-18
Expires2027-06-17 (236d)

🔗 Same registrant#

12 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
attn.dkPunktum dk A/S (direct)
enroll.dkPunktum dk A/S (direct)
hourly.dkPunktum dk A/S (direct)
idently.dkPunktum dk A/S (direct)
idp.dkPunktum dk A/S (direct)
mxx.dkPunktum dk A/S (direct)
olinsson.dkPunktum dk A/S (direct)
privately.dkPunktum dk A/S (direct)
securely.dkPunktum dk A/S (direct)
sftp.dkPunktum dk A/S (direct)
thorstenson.dkPunktum dk A/S (direct)
tinydns.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
64ms
A
66ms
MX
64ms
AAAA
62ms
TXT
287ms
CAA
60ms
HTTPS
53ms
TLSA
4055ms
SOA
0ms
MTA-STS
247ms
DNSSEC
87ms
SRV
68ms
Total
5163ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-23 18:10:34 1643ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-22 15:46:54 1149ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-21 02:15:14 1615ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-19 12:13:16 1685ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-16 10:08:25 1839ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-15 08:16:17 2085ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-14 07:33:47 1158ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-13 06:23:24 2192ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-10 21:41:56 1227ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-09 21:13:31 1058ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-07 18:34:05 767ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-07 11:43:41 3677ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-05 06:50:25 2695ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-04 06:40:58 753ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-02 06:34:35 1466ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-01 06:28:46 1537ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-30 06:18:01 1248ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-28 14:16:37 759ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-27 14:12:00 1705ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-26 13:59:47 1143ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-24 13:34:08 880ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-23 13:18:12 660ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-20 05:02:59 1186ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-15 22:22:55 1351ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-14 17:11:13 1373ms 2 NS 0 A 1 MX 🔒 Secure
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