rootsec.dk

📜 Historical scan 2026-08-18 20:44:01  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rootsec.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 16 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.64 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by rootsec.dk. The zone is DNSSEC-signed and validates, 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#

3 records   103ms
NameserverIP addressesPTRASN / ISP
ns1.e-studio.dk 195.242.131.5
2001:67c:564:fffc::11		 ns1.e-studio.dk
ns1.e-studio.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns2.e-studio.dk 2a00:1b18:2:3::2
62.69.152.34		 ns2.e-studio.dk
ns2.e-studio.dk		 AS47527 DLX A/S
AS47527 DLX A/S
ns3.e-studio.dk 193.200.90.183
2001:67c:564:fffc::13		 ns3.e-studio.dk
ns3.e-studio.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS

🌍 A Records#

1 records   224ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.242.131.64 14400s web2.e-studio.dk AS62121 Christian Ebsen ApS 195.242.130.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   104ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s rootsec.dk 195.242.131.64 web2.e-studio.dk AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover195.242.131.64
🔶 Autoconfig195.242.131.64

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   255ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   470ms
TXT Record
v=spf1 +include:_spf.e-studio.dk -all

✉️ SPF#

PolicyRecord (rootsec.dk)
-all (hard fail) v=spf1 +include:_spf.e-studio.dk -all

📨 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 2026-10-17 05:18:24
www CNAMErootsec.dk (all on rootsec.dk)
www vs bare domainSame network
rootsec.dk: 195.242.131.64 (AS62121)
www.rootsec.dk: 195.242.131.64 (AS62121)
WildcardNo
Denial of existenceNSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.rootsec.dk uBYfChfyZkzuPmQcFFLKChXbVpv6YHwkCG3Iv6XQy6E

🔗 TLSA / DANE#

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

🔐 DNSSEC#

348ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026081805
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-14 01:37:09
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2023-11-16
Expires2027-11-15 (394d)

🔗 Same registrant#

1 domain

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
natursamler.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
103ms
A
224ms
MX
104ms
AAAA
115ms
TXT
470ms
CAA
171ms
HTTPS
184ms
TLSA
145ms
SOA
0ms
MTA-STS
282ms
DNSSEC
348ms
SRV
255ms
Total
2832ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 05:18:23 5602ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-16 04:58:21 549ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-15 02:38:26 1833ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-14 01:17:00 436ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-13 00:52:24 386ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-11 23:05:58 587ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-10 21:48:35 414ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-09 17:14:43 1288ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-08 15:52:16 611ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-07 15:45:15 500ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-07 13:56:34 528ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-06 13:08:54 3020ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-05 09:58:37 335ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-04 09:57:21 672ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-03 09:56:38 369ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-02 09:55:52 1387ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-01 09:41:23 1870ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-30 09:25:16 654ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-29 09:08:15 542ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-28 07:53:40 533ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-27 07:46:25 510ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-26 07:30:14 560ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-25 07:05:09 551ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-24 06:50:18 541ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-23 06:34:03 922ms 3 NS 1 A 1 MX 🔒 Secure
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