teachertime.dk

📜 Historical scan 2026-06-24 07:54:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

teachertime.dk is a .dk domain served by 2 nameservers (jim.ns.cloudflare.com, savanna.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.206 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. 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 314ms

Nameserver	IP addresses	PTR	ASN / ISP
jim.ns.cloudflare.com	108.162.193.125 172.64.33.125 173.245.59.125 2606:4700:58::adf5:3b7d 2803:f800:50::6ca2:c17d 2a06:98c1:50::ac40:217d	jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
savanna.ns.cloudflare.com	108.162.194.136 162.159.38.136 172.64.34.136 2606:4700:50::a29f:2688 2803:f800:50::6ca2:c288 2a06:98c1:50::ac40:2288	savanna.ns.cloudflare.com savanna.ns.cloudflare.com savanna.ns.cloudflare.com savanna.ns.cloudflare.com savanna.ns.cloudflare.com savanna.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 197ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.43.206	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.185.43	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 316ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 198ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:b92b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:2bce	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 180ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.206,172.67.185.43 ech=AEX+DQBBJgAgACDEe6fH/MJxGPU11bgPwmf+lAkTmGqNq0Y5foUuVoe/cwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b92b,2606:4700:3035::6815:2bce

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.teachertime.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-07 19:08:16

www	104.21.43.206 172.67.185.43 2606:4700:3030::ac43:b92b 2606:4700:3035::6815:2bce (AS13335) (address records, no CNAME)
www vs bare domain	Same network teachertime.dk: 104.21.43.206 172.67.185.43 2606:4700:3030::ac43:b92b 2606:4700:3035::6815:2bce (AS13335) www.teachertime.dk: 104.21.43.206 172.67.185.43 2606:4700:3030::ac43:b92b 2606:4700:3035::6815:2bce (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

398ms

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

🏷️ SOA#

178ms

Field	Value
Serial	2406600869
Primary NS (MNAME)	jim.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

314ms

197ms

316ms

AAAA

198ms

TXT

463ms

CAA

172ms

HTTPS

180ms

TLSA

912ms

SOA

178ms

MTA-STS

308ms

DNSSEC

398ms

SRV

323ms

Total

2142ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 19:08:16	453ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-05 18:53:17	662ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-03 18:48:02	530ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 17:10:29	578ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-08 09:44:46	1005ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-07 07:41:47	997ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 07:54:37 shown	2142ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 03:20:29	12225ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 00:00:20	2628ms	2 NS 2 A 0 MX	🔓 Insecure