sesamnetwork.dk

📜 Historical scan 2026-06-23 23:40:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sesamnetwork.dk is a .dk domain served by 2 nameservers (ns.web-solutions.dk, ns2.web-solutions.dk). It was registered on 28 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.112 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.web-solutions.eu. 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 312ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.web-solutions.dk	81.7.150.66	ns.web-solutions.dk	AS47292 Sentia Denmark A/S
ns2.web-solutions.dk	185.12.179.209	ns2.web-solutions.dk	AS200185 Aruba S.p.A.

🌍 A Records#

1 records 265ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.112	600s	prolinux102.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 307ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	mail.web-solutions.eu	81.7.177.109	mail.web-solutions.eu	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.21.42.112
🔶 Autoconfig	185.21.42.112

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 673ms

TXT Record
brevo-code:fd23caead761df2fa99b840fac29cd42
v=spf1 mx a include:_spf.anpdm.com include:spf.ubivox.com -all

✉️ SPF#

Policy	Record (sesamnetwork.dk)
-all (hard fail)	v=spf1 mx a include:_spf.anpdm.com include:spf.ubivox.com -all

📨 DMARC#

Policy	Record (_dmarc.sesamnetwork.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:webmaster@teknologisk.dk;

📬 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 2026-10-15 09:21:43

www	185.21.42.112 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sesamnetwork.dk: 185.21.42.112 (AS48854) www.sesamnetwork.dk: 185.21.42.112 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

447ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

260ms

Field	Value
Serial	2023127263
Primary NS (MNAME)	ns.web-solutions.dk
Responsible (RNAME)	hostmaster@web-solutions.eu
Refresh	28800s
Retry	7200s
Expire	2419200s
Minimum (neg-cache TTL)	21600s

📋 Registration#

WHOIS fetched 2026-10-08 23:10:32

Field	Value
Registrar	WEB SOLUTIONS A/S
Registered	2023-09-28
Expires	2027-09-27 (344d)

📋 WHOIS#

⏱️ Lookup Timing#

312ms

265ms

307ms

AAAA

327ms

TXT

673ms

CAA

334ms

HTTPS

228ms

TLSA

182ms

SOA

260ms

MTA-STS

278ms

DNSSEC

447ms

SRV

408ms

Total

2223ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 09:21:43	886ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 23:07:01	1721ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 20:01:35	609ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 19:47:57	1081ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 19:40:54	641ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 18:47:50	9485ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 02:06:11	719ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 00:44:12	770ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 23:13:09	1140ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 17:59:48	1313ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 16:12:32	923ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 23:49:16	869ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 21:53:11	773ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 17:27:15	3876ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 17:20:10	1373ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 01:21:47	9649ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 17:26:30	9616ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-01 01:01:20	774ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 20:44:22	851ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 02:20:02	722ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-10 10:32:43	1023ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 10:40:38	1759ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 20:27:14	677ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 17:45:16	725ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 23:40:02 shown	2223ms	2 NS 1 A 1 MX	🔒 Secure