optinor.dk

📜 Historical scan 2026-06-18 06:05:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optinor.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.4.121.70 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.4.121.70	—	cp07.nordicway.dk	AS24940	Hetzner Online GmbH	46.4.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

5 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	108.177.14.27 2a00:1450:4001:c21::1b	lt-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.152.27 2404:6800:4003:c26::1b	yulpptr-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:400b:c01b::1b	tp-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	46.4.121.70
🔶 Autoconfig	46.4.121.70

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 242ms

TXT Record
brevo-code:3d732082505e2f369dbec265da01996e
google-site-verification=fkVlmgZso0W_I9qr58AIRHYMSSEcWW_flMxdo9_W8yc
google-site-verification=sf_69WA76McCA82mW2aYz4_v2vwIQLCz4odhV2iIvRI
google-site-verification=xahb_Zv2Y73sHduPhy9INjhDzWtP_ekzAWsZvD4P4RU
v=spf1 +a include:_spf.google.com include:spf.simply.com include:relay.mailchannels.net -all

✉️ SPF#

Policy	Record (optinor.dk)
-all (hard fail)	v=spf1 +a include:_spf.google.com include:spf.simply.com include:relay.mailchannels.net -all

📨 DMARC#

Policy	Record (_dmarc.optinor.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:rua@dmarc.brevo.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 06:33:06

www CNAME	optinor.dk (all on optinor.dk) → 46.4.121.70 (AS24940)
www vs bare domain	Same network optinor.dk: 46.4.121.70 (AS24940) www.optinor.dk: 46.4.121.70 (AS24940)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

97ms

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

🏷️ SOA#

87ms

Field	Value
Serial	2025092403
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 01:08:28

Field	Value
Registrar	Simply.com A/S
Registered	2023-01-23
Expires	2027-01-22 (88d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

64ms

75ms

AAAA

88ms

TXT

242ms

CAA

132ms

HTTPS

133ms

TLSA

56ms

SOA

87ms

MTA-STS

64ms

DNSSEC

97ms

SRV

157ms

Total

875ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 06:33:06	1017ms	3 NS 1 A 5 MX	🔒 Secure
2026-10-02 20:58:53	3059ms	3 NS 1 A 5 MX	🔒 Secure
2026-07-03 04:02:40	819ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-23 16:04:53	669ms	3 NS 1 A 5 MX	⚠️ Bogus
2026-06-18 06:05:21 shown	875ms	3 NS 1 A 5 MX	🔒 Secure