sembo.dk

📜 Historical scan 2026-07-28 09:31:28  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sembo.dk is a .dk domain served by 4 nameservers (dns01.dipcon.com, dns02.ports.se, dns03.ports.se and 1 more). It was registered on 13 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.20.97.133 is hosted by Telia Company AB (AS3301) in Sweden. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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#

4 records   46ms
NameserverIP addressesPTRASN / ISP
dns01.dipcon.com — — —
dns02.ports.se 2001:19f0:5001:2a:5400:ff:fe38:1e6f
45.63.42.179		 dns02.ports.se
dns02.ports.se		 AS20473 The Constant Company, LLC
AS20473 The Constant Company, LLC
dns03.ports.se — — —
dns04.ports.net — — —

🌍 A Records#

1 records   71ms
IPTTLPTRASNISP / OrgCIDRCountryCity
62.20.97.133 60s — AS3301 Telia Company AB 62.20.0.0/16 🇸🇪 Sweden —

📧 MX Records#

5 records   77ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s aspmx.l.google.com — — —
20 3600s alt1.aspmx.l.google.com 2404:6800:4013:813::1b lcdels-in-f27.1e100.net AS15169 Google LLC
20 3600s alt2.aspmx.l.google.com — — —
30 3600s aspmx2.googlemail.com — — —
30 3600s aspmx3.googlemail.com — — —

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   2096ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

3 records   300ms
TXT Record
google-site-verification=l358ahteZE8clxJAyEHae5tbVExmfD3Z4PT-j9x3M08
MS=ms24411911
v=spf1 mx ip4:62.20.97.130 ip4:88.131.62.128/25 ip4:217.151.206.82 ip4:79.171.144.35 ip4:79.171.144.36 ip4:87.54.28.194 ip4:49.13.83.105 ip4:128.140.125.183 include:carmamail.com include:_spf.google.com include:spf.sitel.com include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (sembo.dk)
-all (hard fail) v=spf1 mx ip4:62.20.97.130 ip4:88.131.62.128/25 ip4:217.151.206.82 ip4:79.171.144.35 ip4:79.171.144.36 ip4:87.54.28.194 ip4:49.13.83.105 ip4:128.140.125.183 include:carmamail.com include:_spf.google.com include:spf.sitel.com include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.sembo.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;pct=100;rua=mailto:dmarc@sembo.se;ruf=mailto:dmarc@sembo.se;ri=86400;aspf=r;adkim=r;fo=1

📬 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 2026-10-12 05:37:48
www62.20.97.133 (AS3301) (address records, no CNAME)
www vs bare domainSame network
sembo.dk: 62.20.97.133 (AS3301)
www.sembo.dk: 62.20.97.133 (AS3301)
WildcardNo

✍️ DKIM keys#

3 found
SelectorCNAMEKey
google — RSA · ~1024 bit below 2048 bit
s1 s1.domainkey.u15614681.wl182.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u15614681.wl182.sendgrid.net 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: 8/10 · policy: -all

  • warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.sembo.dk SrFhNCC43U4smszWSFQp3LLazMpQOV80S5ZpgyEMs2I
TXT _acme-challenge.sembo.dk kmUvT3sGCEan6QQ8khdLAPPDoQJHe16Ug0QHZcnrJ2Y

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9065ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026072700
Primary NS (MNAME)dns01.dipcon.com
Responsible (RNAME)registry@ports.net
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-15 03:09:42
FieldValue
RegistrarAbion AB
Registered1997-11-13
Expires2026-12-31 (73d)

🔗 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
46ms
A
71ms
MX
77ms
AAAA
42ms
TXT
300ms
CAA
45ms
HTTPS
34ms
TLSA
8059ms
SOA
0ms
MTA-STS
65ms
DNSSEC
9065ms
SRV
2096ms
Total
26359ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 06:56:07 1396ms 4 NS 1 A 5 MX 🔓 Insecure
2026-09-29 08:40:22 2158ms 4 NS 1 A 5 MX 🔓 Insecure
2026-07-28 09:31:28 shown 26359ms 4 NS 1 A 5 MX 🔓 Insecure
2026-06-25 22:44:57 1126ms 4 NS 1 A 5 MX 🔓 Insecure
2026-06-17 11:42:28 2631ms 4 NS 1 A 5 MX 🔓 Insecure
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