opteron.dk DNS records

🖥️ Nameservers7 records 252ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.markmonitor.com	149.112.160.1 2620:10a:80a8::1	— —	AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns2.markmonitor.com	176.97.158.1 2001:67c:10b8::1	ns2.markmonitor.com ns2.markmonitor.com	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns3.markmonitor.com	149.112.161.1 2620:10a:80a9::1	— —	AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
ns4.markmonitor.com	192.174.68.1 2001:67c:1bc::1	ns1.markmonitor.com ns1.markmonitor.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.markmonitor.com	149.112.160.2 2620:10a:80a8::2	— —	AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns6.markmonitor.com	176.97.158.3 2001:67c:10b8::3	ns6.markmonitor.com ns6.markmonitor.com	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns7.markmonitor.com	149.112.161.2 2620:10a:80a9::2	— —	AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I

🌍 A Records1 records 259ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.33.139.32	3600s	aeedc42b70c898c66.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	3.33.128.0/17	🇺🇸 United States	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	3.33.139.32
🔶 Autoconfig	3.33.139.32

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.opteron.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email

📬 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)

🔐 DNSSEC650ms

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

🏷️ SOA307ms

Field	Value
Serial	2025072101
Primary NS (MNAME)	ns1.markmonitor.com
Responsible (RNAME)	hostmaster@markmonitor.com
Refresh	86400s
Retry	3600s
Expire	2592000s
Minimum (neg-cache TTL)	172800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

252ms

A

259ms

MX

399ms

AAAA

254ms

TXT

752ms

CAA

237ms

HTTPS

401ms

TLSA

317ms

SOA

307ms

MTA-STS

486ms

DNSSEC

650ms

SRV

655ms

Total

5418ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:56:25	20030ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-23 18:57:42	23950ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-22 15:22:52	20976ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-21 15:18:06	17866ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-20 15:16:33	9865ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-19 11:50:22	14615ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-18 11:48:29	16986ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-17 09:21:40	19279ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-16 01:28:22	17699ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-14 09:08:25	18964ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-13 08:17:57	19525ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-11 02:24:25	17034ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-09 16:25:28	15342ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-08-08 03:46:43	15772ms	7 NS 0 A 0 MX	❓ Unknown	View
2026-07-01 02:27:51	1212ms	7 NS 1 A 0 MX	🔓 Insecure	View
2026-06-26 14:42:27	5418ms	7 NS 1 A 0 MX	🔓 Insecure	View
2026-06-19 05:39:26	4648ms	7 NS 1 A 0 MX	🔓 Insecure	View
2026-06-18 06:51:52	2383ms	7 NS 1 A 0 MX	🔓 Insecure	View