3rcentre.dk DNS records

🖥️ Nameservers2 records 83ms

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 101ms

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 487ms

TXT Record
v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 mx -all

✉️ SPF

Policy	Record (3rcentre.dk)
-all (hard fail)	v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 mx -all

📨 DMARC

Policy	Record (_dmarc.3rcentre.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)

🔐 DNSSEC251ms

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

🏷️ SOA0ms

Field	Value
Serial	8959
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

83ms

A

101ms

MX

98ms

AAAA

103ms

TXT

487ms

CAA

103ms

HTTPS

151ms

TLSA

129ms

SOA

0ms

MTA-STS

186ms

DNSSEC

251ms

SRV

221ms

Total

9304ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 14:00:21	9304ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-30 08:51:00	17404ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-29 00:59:22	17346ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 19:26:03	1137ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 19:16:16	1181ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 17:08:57	5367ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 06:24:38	5530ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 06:15:35	9334ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 05:55:41	3289ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 05:04:27	5945ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 01:45:03	5145ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 01:10:31	6468ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 19:30:23	56638ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 15:43:13	6835ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-15 11:12:17	5776ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 07:42:13	11928ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 00:07:22	17456ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 23:23:16	5500ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-08 20:31:38	5441ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-28 00:26:51	24594ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 23:37:35	25046ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 23:18:24	24599ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 22:48:31	17114ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-23 22:24:59	6752ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-22 22:18:11	24631ms	2 NS 1 A 0 MX	🔒 Secure	View