onlinestudies.dk DNS records

🖥️ Nameservers2 records 213ms

Nameserver	IP addresses	PTR	ASN / ISP
dana.ns.cloudflare.com	108.162.192.105 172.64.32.105 173.245.58.105 2606:4700:50::adf5:3a69 2803:f800:50::6ca2:c069 2a06:98c1:50::ac40:2069	dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jay.ns.cloudflare.com	108.162.193.123 172.64.33.123 173.245.59.123 2606:4700:58::adf5:3b7b 2803:f800:50::6ca2:c17b 2a06:98c1:50::ac40:217b	jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 232ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.111	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.138.54	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 229ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mfwd.ebrandservices.com	80.92.65.53	mfwd.ebrandservices.com	AS24611 Datacenter Luxembourg S.A.

🔷 AAAA Records (IPv6)2 records 228ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:366f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8a36	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 214ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.111,172.67.138.54 ech=AEX+DQBBCgAgACAicNm/C5BG54TmyvHQscuYXu/vPSOEDDx6UX5rvJmqQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:366f,2606:4700:3037::ac43:8a36

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC343ms

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	2412270002
Primary NS (MNAME)	dana.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

213ms

A

232ms

MX

229ms

AAAA

228ms

TXT

459ms

CAA

251ms

HTTPS

214ms

TLSA

254ms

SOA

0ms

MTA-STS

298ms

DNSSEC

343ms

SRV

258ms

Total

3636ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-15 14:34:23	3636ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 19:14:17	1043ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 10:19:07	929ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 13:02:51	1048ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 02:51:47	1235ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 23:15:09	1142ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 12:00:52	1376ms	2 NS 2 A 1 MX	🔓 Insecure	View