feldborgnaturskole.dk DNS records

🖥️ Nameservers2 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
ns6.sitnet.dk	107.162.234.197 2604:e180:1071::3:1	— —	AS55002 F5, Inc. AS55002 F5, Inc.
ns7.sitnet.dk	107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd	— —	AS55002 F5, Inc. AS55002 F5, Inc.

🌍 A Records1 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.153.154.38	3600s	datalogger-test.bygstenergi.dk datalogger.bygstenergi.dk datalogger.xkn.dk demensprisen.dk klagonline.forbrug.dk mitfiskeri.dk parked.sitnet.dk	AS58282	Statens IT	185.153.152.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 556ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (feldborgnaturskole.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.feldborgnaturskole.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.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

🔗 TLSA / DANE

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

🔐 DNSSEC144ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	7730
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

69ms

A

75ms

MX

69ms

AAAA

66ms

TXT

556ms

CAA

81ms

HTTPS

70ms

TLSA

183ms

SOA

0ms

MTA-STS

142ms

DNSSEC

144ms

SRV

327ms

Total

9112ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 11:57:35	9112ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-30 10:54:12	9509ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 18:12:23	1339ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 15:59:25	1312ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 15:11:55	9790ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-25 14:51:46	1629ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 13:17:09	17482ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 02:14:19	17344ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 02:00:15	5676ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 01:54:47	3439ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 01:40:35	9615ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 23:47:32	6019ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 23:07:24	2844ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 22:27:00	11896ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-15 09:32:02	5604ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 03:01:10	4237ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 22:22:16	3409ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 17:45:55	8164ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 06:23:35	2203ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 05:17:13	3163ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-06 02:24:21	3448ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-02 23:59:18	3339ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-31 11:19:13	1395ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-28 22:22:00	5778ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 09:19:11	17413ms	2 NS 1 A 0 MX	🔒 Secure	View