sementa.dk

📜 Historical scan 2026-08-26 12:55:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sementa.dk is a .dk domain served by 2 nameservers (justin.ns.cloudflare.com, nia.ns.cloudflare.com). It was registered on 10 August 2026 (WHOIS) and first appeared in the .dk zone on 11 August 2026. Its website address 104.21.64.223 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. The zone is not DNSSEC-signed, 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nia.ns.cloudflare.com	108.162.192.210 172.64.32.210 173.245.58.210 2606:4700:50::adf5:3ad2 2803:f800:50::6ca2:c0d2 2a06:98c1:50::ac40:20d2	nia.ns.cloudflare.com nia.ns.cloudflare.com nia.ns.cloudflare.com nia.ns.cloudflare.com nia.ns.cloudflare.com nia.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.64.223	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.156.39	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	60s	smtp.google.com	173.194.220.26 173.194.221.26 173.194.221.27 173.194.222.26 173.194.222.27 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a	lk-in-f26.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lo-in-f27.1e100.net lk-in-f27.1e100.net lk-in-x1b.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-f27.1e100.net lm-in-x1b.1e100.net lo-in-x1a.1e100.net lo-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:40df	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9c27	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 24ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.223,172.67.156.39 ech=AEX+DQBBvQAgACDpdfGVX0r8uwLmFl+1tO2MdzPQQvlMOm+9SjHMKc6aCAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:40df,2606:4700:3037::ac43:9c27

📝 TXT Records#

2 records 136ms

TXT Record
google-site-verification=ECha3diU72rx06mZRWWf1e9vhbEUNI5gaQmSo30rn6c
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (sementa.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.sementa.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:hello@kristiankroghbang.com

📬 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 2026-10-18 00:29:57

www	104.21.64.223 172.67.156.39 2606:4700:3030::6815:40df 2606:4700:3037::ac43:9c27 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sementa.dk: 104.21.64.223 172.67.156.39 2606:4700:3030::6815:40df 2606:4700:3037::ac43:9c27 (AS13335) www.sementa.dk: 104.21.64.223 172.67.156.39 2606:4700:3030::6815:40df 2606:4700:3037::ac43:9c27 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

109ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413178175
Primary NS (MNAME)	justin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 08:54:15

Field	Value
Registrar	Simply.com A/S
Registered	2026-08-10
Expires	2027-08-09 (292d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

36ms

28ms

AAAA

35ms

TXT

136ms

CAA

37ms

HTTPS

24ms

TLSA

67ms

SOA

0ms

MTA-STS

49ms

DNSSEC

109ms

SRV

52ms

Total

1089ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 00:29:57	1136ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-14 19:40:03	552ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 15:37:44	687ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 11:12:24	1566ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 09:56:17	1430ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 12:46:54	741ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 14:49:24	857ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 12:55:17 shown	1089ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 22:48:28	5807ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-19 21:19:28	755ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-18 20:33:56	1670ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-11 08:43:24	1996ms	3 NS 0 A 0 MX	🔒 Secure