opennet.dk DNS records

🖥️ Nameservers4 records 101ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnsimple.com	199.247.152.53 2620:111:8004::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation
ns2.dnsimple.com	199.247.153.53 2620:111:8005::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation
ns3.dnsimple.com	199.247.154.53 2620:111:8006::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation
ns4.dnsimple.com	199.247.155.53 2620:111:8007::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation

🌍 A Records1 records 111ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.121.27.182	600s	ec2-3-121-27-182.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.96.0.0/11	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	opennet-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::24 2a01:111:f403:ca09::28 2a01:111:f403:ca48::a 52.101.73.126 52.101.73.145 52.101.73.153 52.101.73.155	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 134ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records15 records 463ms

TXT Record
_globalsign-domain-verification=hPtpqez12Bo_gjWFFCaEe0R2L3P74g5kgs2UBhVC8_
_globalsign-domain-verification=j2SwozLhXFzFoxW_NuU0BgMudU0TMCoEWe2oH_TDRO
_globalsign-domain-verification=Lmy78NdBaQfcxwkH1EOmXtdOyApr3Cz9Vq9iBfpmzf
_globalsign-domain-verification=uPjQZ8TIYtJZYeRyQaqKBZHrF4CM5qtoJ02Wvkt735
_globalsign-domain-verification=UqXnKUjlDGnFBZxIkA5CLJocXenb5yozq5paNxSNsw
_globalsign-domain-verification=Z5pPzmv-_s_XJ3ivQTGGwKRneqIWlK1ryTpotKOhYe
2022-05-23
anthropic-domain-verification-rv3d0v=HuEWbrQoHz4NyF3nC5yCWZzpP
apple-domain-verification=1Lbv5ouZxJ8lREpw
cursor-domain-verification-t0a0hd=XkgpEV3YbZPJmsnSbuvOyxaet
gamma-domain-verification-v7ja97=Y3wMeurSL75JqNNDT6KuiMd31
MS=ms98759154
openai-domain-verification=dv-S1YVmexgyBe4k6IjrCcwC1dw
twilio-domain-verification=24f31ef64b7d7c825980ffece05dd1f8
v=spf1 include:spf.protection.outlook.com include:amazonses.com include:emsd1.com include:mx10.norlys.dk include:mx20.norlys.dk -all

✉️ SPF

Policy	Record (opennet.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:amazonses.com include:emsd1.com include:mx10.norlys.dk include:mx20.norlys.dk -all

📨 DMARC

Policy	Record (_dmarc.opennet.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)

🔐 DNSSEC9087ms

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	1603795310
Primary NS (MNAME)	ns1.dnsimple.com
Responsible (RNAME)	admin@dnsimple.com
Refresh	86400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

101ms

A

111ms

MX

85ms

AAAA

74ms

TXT

463ms

CAA

85ms

HTTPS

74ms

TLSA

315ms

SOA

0ms

MTA-STS

112ms

DNSSEC

9087ms

SRV

134ms

Total

15072ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 03:03:06	15072ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 14:21:34	6969ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 19:07:55	6689ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-14 08:03:11	6333ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 08:01:51	5053ms	4 NS 1 A 1 MX	🔓 Insecure	View