ulrichsen.dk

📜 Historical scan 2026-06-23 05:45:35  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ulrichsen.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 5 August 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.130.70 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx4.spamfri.dk, mx2.spamfri.dk and 2 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   204ms

🌍 A Records#

1 records   169ms

📧 MX Records#

4 records   299ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover195.242.130.70
🔶 Autoconfig195.242.130.70

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   366ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   564ms
TXT Record
v=spf1 +a +mx +ip4:195.242.130.70 include:_spf.e-studio.dk ~all

✉️ SPF#

PolicyRecord (ulrichsen.dk)
~all (soft fail) v=spf1 +a +mx +ip4:195.242.130.70 include:_spf.e-studio.dk ~all

📨 DMARC#

PolicyRecord (_dmarc.ulrichsen.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 2026-10-09 09:23:24
www CNAMEulrichsen.dk (all on ulrichsen.dk)
www vs bare domainSame network
ulrichsen.dk: 195.242.130.70 (AS62121)
www.ulrichsen.dk: 195.242.130.70 (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: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.ulrichsen.dk NpH4igbEQB7PJv7xmYG7l0x53KExZ1l7Qb1uZgP3FHE

🔗 TLSA / DANE#

4 records   273ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.spamfri.dk DANE-EE · SPKI · SHA-256 884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk DANE-EE · SPKI · SHA-256 6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk DANE-EE · SPKI · SHA-256 BBFB0694919290E5BC9D6E2C6F47D846…
SMTP _25._tcp.mx4.spamfri.dk DANE-EE · SPKI · SHA-256 4EE743A99328AEF5142706CA5FD3AD61…

🔐 DNSSEC#

470ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

298ms
FieldValue
Serial2026062101
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 2026-10-17 02:48:52
FieldValue
Registrardns.services ApS
Registered1999-08-05
Expires2027-09-30 (348d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
204ms
A
169ms
MX
299ms
AAAA
247ms
TXT
564ms
CAA
280ms
HTTPS
315ms
TLSA
273ms
SOA
298ms
MTA-STS
304ms
DNSSEC
470ms
SRV
366ms
Total
3759ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 09:23:24 1438ms 3 NS 1 A 4 MX 🔒 Secure
2026-09-28 00:47:46 605ms 3 NS 1 A 4 MX 🔒 Secure
2026-09-17 06:02:23 614ms 3 NS 1 A 4 MX 🔒 Secure
2026-08-27 18:21:36 747ms 3 NS 1 A 4 MX 🔒 Secure
2026-08-27 01:52:59 694ms 3 NS 1 A 4 MX 🔒 Secure
2026-08-25 22:10:30 921ms 3 NS 1 A 4 MX 🔒 Secure
2026-08-21 23:07:57 1306ms 3 NS 1 A 4 MX 🔒 Secure
2026-07-02 14:54:40 922ms 3 NS 1 A 4 MX 🔒 Secure
2026-06-23 05:45:35 shown 3759ms 3 NS 1 A 4 MX 🔒 Secure
2026-06-21 14:41:01 1098ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 01:51:00 1274ms 3 NS 1 A 4 MX 🔒 Secure
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