sembo.dk

📜 Historical scan 2026-06-25 22:44:57 · ← 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
dns01.dipcon.com	193.14.90.50 2a00:801:fb:253::4	dns01.dipcon.com dns01.dipcon.com	AS1257 Tele2 SWIPnet AS1257 Tele2 SWIPnet
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	2a04:3540:1000:310:287e:f6ff:fe1d:4789 94.237.33.102	dns03.ports.se dns03.ports.se	AS202053 UpCloud Ltd AS202053 UpCloud Ltd
dns04.ports.net	158.255.211.116 2a03:f80:ed15:3ec8::1	dns04.ports.net dns04.ports.net	AS57169 EDIS GmbH AS57169 EDIS GmbH

🌍 A Records#

1 records 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
62.20.97.133	600s	133.128-27.97.20.62.in-addr.arpa	AS3301	Telia Company AB	62.20.0.0/16	🇸🇪 Sweden	—

📧 MX Records#

5 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4000:1025::1a	lcdels-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx2.googlemail.com	192.178.211.26 2404:6800:4013:813::1b	lcbomp-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx3.googlemail.com	192.178.213.26 2404:6800:4013:813::1b	yugrqzs-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 257ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 201ms

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#

Policy	Record (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#

Policy	Record (_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

www	62.20.97.133 (AS3301) (address records, no CNAME)
www vs bare domain	Same network sembo.dk: 62.20.97.133 (AS3301) www.sembo.dk: 62.20.97.133 (AS3301)
Wildcard	No

✍️ DKIM keys#

3 found

Selector	CNAME	Key
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#

Type	Name	Value
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#

338ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

42ms

Field	Value
Serial	2025062400
Primary NS (MNAME)	dns01.dipcon.com
Responsible (RNAME)	registry@ports.net
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-15 03:09:42

Field	Value
Registrar	Abion AB
Registered	1997-11-13
Expires	2026-12-31 (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#

41ms

78ms

37ms

AAAA

48ms

TXT

201ms

CAA

44ms

HTTPS

60ms

TLSA

132ms

SOA

42ms

MTA-STS

51ms

DNSSEC

338ms

SRV

257ms

Total

1126ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	26359ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-25 22:44:57 shown	1126ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-17 11:42:28	2631ms	4 NS 1 A 5 MX	🔓 Insecure