semark.dk

📜 Historical scan 2026-08-26 04:06:55  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

semark.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.151.155.18 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mail.semark.dk, hem01.semark.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   39ms
NameserverIP addressesPTRASN / 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

🌍 A Records#

1 records   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
83.151.155.18 3600s — AS31027 GlobalConnect A/S 83.151.128.0/18 🇩🇰 Denmark —

📧 MX Records#

2 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.semark.dk 83.151.155.18 — AS31027 GlobalConnect A/S
20 3600s hem01.semark.dk 83.151.155.18 — AS31027 GlobalConnect A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoversemark.dk → 83.151.155.18
🔶 Autoconfigsemark.dk → 83.151.155.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   195ms
TXT Record
google-site-verification=0kcptuDnpUMhrEuEd-1rMwEOp_R8BLDY6bIaWz-Wndc
v=spf1 redirect=_spf.semarkit.net

✉️ SPF#

PolicyRecord (semark.dk)
redirect=_spf.semarkit.net v=spf1 redirect=_spf.semarkit.net

📨 DMARC#

PolicyRecord (_dmarc.semark.dk)
p=reject v=DMARC1; p=reject; sp=reject; aspf=r; adkim=r; fo=1; pct=100; rua=mailto:semark-d@dmarc.report-uri.com; ruf=mailto:semark-d@dmarc.report-uri.com;

📬 MTA-STS#

170ms
CheckResult
Status⚠️ Invalid
TXT record (_mta-sts)✓ Found
HTTPS policy✗ Missing / invalid
Policy ID20240401T000000Z
Policy MX—

📈 TLSRPT#

StatusReport address (rua)
✓ Enabled mailto:semark-d@tlsrpt.report-uri.com

📜 CAA Records#

2 records   57ms
FlagsTagValue
0 iodef mailto:info@semark.dk
0 issue letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 22:08:23
www CNAMEsemark.dk (all on semark.dk)
www vs bare domainSame network
semark.dk: 83.151.155.18 (AS31027)
www.semark.dk: 83.151.155.18 (AS31027)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.semark.dk semark.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026040401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-08 07:29:51
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1998-02-19
Expires2027-03-31 (165d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
52ms
MX
45ms
AAAA
34ms
TXT
195ms
CAA
57ms
HTTPS
47ms
TLSA
162ms
SOA
0ms
MTA-STS
170ms
DNSSEC
107ms
SRV
81ms
Total
764ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 18:56:48 733ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-01 16:02:55 842ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-30 15:50:35 828ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-30 01:06:34 901ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-27 12:27:57 919ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-29 23:29:56 625ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-26 09:05:59 767ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-26 04:06:55 shown 764ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-18 06:55:31 879ms 2 NS 1 A 2 MX 🔒 Secure
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