semenco.dk

📜 Historical scan 2026-09-03 16:13:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

semenco.dk is a .dk domain served by 2 nameservers (kayleigh.ns.cloudflare.com, ray.ns.cloudflare.com). It was registered on 21 November 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.24.138 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by semenco-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 28ms

Nameserver	IP addresses	PTR	ASN / ISP
kayleigh.ns.cloudflare.com	108.162.194.92 162.159.38.92 172.64.34.92 2606:4700:50::a29f:265c 2803:f800:50::6ca2:c25c 2a06:98c1:50::ac40:225c	kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ray.ns.cloudflare.com	108.162.193.138 172.64.33.138 173.245.59.138 2606:4700:58::adf5:3b8a 2803:f800:50::6ca2:c18a 2a06:98c1:50::ac40:218a	ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.138	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.218.247	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	semenco-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::28 2a01:111:f403:ca38::8 2a01:111:f403:ca48::8 52.101.185.24 52.101.209.28 52.101.68.15 52.101.73.19	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:188a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:daf7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.138,172.67.218.247 ech=AEX+DQBBigAgACCAVYyCJ8sy3bK1L3NV7KFkFP55BuKgdvR30PNWOzN8aAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:188a,2606:4700:3035::ac43:daf7

🔌 SRV Records#

1 records 93ms

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

📝 TXT Records#

3 records 150ms

TXT Record
i315j9+k//GJ7NaD7oxa6SSTW2Vxa6OoQZnnsUtMlngjk3l3ZIEAYzXkkVPApRBjFw9sV0p3zVOKpxlUQzDx0A==
MS=ms99970427
v=spf1 include:mailgun.org include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (semenco.dk)
~all (soft fail)	v=spf1 include:mailgun.org include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.semenco.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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 2026-10-17 05:24:31

www	104.21.24.138 172.67.218.247 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network semenco.dk: 104.21.24.138 172.67.218.247 2606:4700:3032::6815:188a 2606:4700:3035::ac43:daf7 (AS13335) www.semenco.dk: 104.21.24.138 172.67.218.247 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-semenco-dk._domainkey.lindholding.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-semenco-dk._domainkey.lindholding.onmicrosoft.com	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: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413852531
Primary NS (MNAME)	kayleigh.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 17:09:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-11-21
Expires	2031-07-31 (1745d)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

33ms

40ms

AAAA

43ms

TXT

150ms

CAA

29ms

HTTPS

45ms

TLSA

590ms

SOA

0ms

MTA-STS

56ms

DNSSEC

100ms

SRV

93ms

Total

1222ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 05:24:31	2765ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 11:12:12	911ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 23:44:35	1017ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 23:12:00	1039ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 06:08:05	1302ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-03 16:13:31 shown	1222ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-29 21:01:22	2780ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 11:04:09	1899ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-06 23:58:59	2347ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-12 16:52:55	10910ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-06 14:33:36	4436ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-28 14:25:47	6806ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 01:08:47	1043ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 12:06:57	4880ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 13:15:12	1430ms	2 NS 2 A 1 MX	🔒 Secure