fieldstudies.dk DNS records

🖥️ Nameservers2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
bryce.ns.cloudflare.com	108.162.195.137 162.159.44.137 172.64.35.137 2606:4700:58::a29f:2c89 2803:f800:50::6ca2:c389 2a06:98c1:50::ac40:2389	bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ivy.ns.cloudflare.com	108.162.192.120 172.64.32.120 173.245.58.120 2606:4700:50::adf5:3a78 2803:f800:50::6ca2:c078 2a06:98c1:50::ac40:2078	ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.50.73	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.158.205	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:9ecd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:3249	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 67ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.50.73,172.67.158.205 ech=AEX+DQBBvQAgACDpdfGVX0r8uwLmFl+1tO2MdzPQQvlMOm+9SjHMKc6aCAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9ecd,2606:4700:3037::6815:3249

📝 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)

🔐 DNSSEC87ms

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	2411483871
Primary NS (MNAME)	bryce.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

38ms

A

43ms

MX

63ms

AAAA

42ms

TXT

201ms

CAA

55ms

HTTPS

67ms

TLSA

55ms

SOA

0ms

MTA-STS

61ms

DNSSEC

87ms

SRV

84ms

Total

653ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:39:57	653ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-07 08:01:51	1412ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-08 20:37:41	1185ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-27 19:41:44	1228ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 09:53:47	788ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 10:08:27	859ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 10:05:11	934ms	2 NS 2 A 0 MX	🔓 Insecure	View