teachertime.dk DNS records

🖥️ Nameservers2 records 58ms

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 Records2 records 57ms

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 Records1 records 44ms

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

🔷 AAAA Records (IPv6)2 records 49ms

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 Records1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.206,172.67.185.43 ech=AEX+DQBBYwAgACA1eFd5NOrLBXFsmeZu+NJFMzikTYVMb1TmbPxQjy8maAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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

🔗 TLSA / DANE

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

🔐 DNSSEC92ms

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

🏷️ SOA0ms

Field	Value
Serial	2411572788
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

57ms

MX

44ms

AAAA

49ms

TXT

214ms

CAA

68ms

HTTPS

50ms

TLSA

60ms

SOA

0ms

MTA-STS

71ms

DNSSEC

92ms

SRV

75ms

Total

1005ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-08 09:44:46	1005ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-07 07:41:47	997ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 07:54:37	2142ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 03:20:29	12225ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 00:00:20	2628ms	2 NS 2 A 0 MX	🔓 Insecure	View