optinora.dk

📜 Historical scan 2026-08-24 11:04:27  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optinora.dk is a .dk domain served by 2 nameservers (albert.ns.cloudflare.com, sky.ns.cloudflare.com). It was registered on 13 August 2026 (WHOIS) and first appeared in the .dk zone on 14 August 2026. Its website address 104.21.21.203 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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#

2 records   116ms
NameserverIP addressesPTRASN / ISP
albert.ns.cloudflare.com 108.162.193.58
172.64.33.58
173.245.59.58
2606:4700:58::adf5:3b3a
2803:f800:50::6ca2:c13a
2a06:98c1:50::ac40:213a		 albert.ns.cloudflare.com
albert.ns.cloudflare.com
albert.ns.cloudflare.com
albert.ns.cloudflare.com
albert.ns.cloudflare.com
albert.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
sky.ns.cloudflare.com 108.162.194.2
162.159.38.2
172.64.34.2
2606:4700:50::a29f:2602
2803:f800:50::6ca2:c202
2a06:98c1:50::ac40:2202		 sky.ns.cloudflare.com
sky.ns.cloudflare.com
sky.ns.cloudflare.com
sky.ns.cloudflare.com
sky.ns.cloudflare.com
sky.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   75ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.21.203 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.200.81 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   90ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.21.203
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   99ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::6815:15cb 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3032::ac43:c851 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   111ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.21.203,172.67.200.81 ech=AEX+DQBBggAgACC4G2ICeNsUH88liYhoazXS2Hoc7sJtUzX1n60HeVoVZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:15cb,2606:4700:3032::ac43:c851

🔌 SRV Records#

1 records   195ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   331ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (optinora.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.optinora.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 2026-10-11 16:02:53
www104.21.21.203 172.67.200.81 2606:4700:3032::6815:15cb 2606:4700:3032::ac43:c851 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.optinora.dk cHIbQQIdFANTRONY6CX9ZRtqsKFtcQpkv8ac6BT3Kso
TXT _acme-challenge.optinora.dk fJR4geBNtM-wrcqJxtNoh0aA44o082i3-fOeR1wfrHw

🔗 TLSA / DANE#

2 records   110ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

289ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2413032472
Primary NS (MNAME)albert.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 16:39:44
FieldValue
RegistrarSimply.com A/S
Registered2026-08-13
Expires2027-08-12 (293d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
116ms
A
75ms
MX
90ms
AAAA
99ms
TXT
331ms
CAA
95ms
HTTPS
111ms
TLSA
110ms
SOA
0ms
MTA-STS
148ms
DNSSEC
289ms
SRV
195ms
Total
2886ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-11 16:02:53 2450ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-01 06:36:06 925ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-30 06:28:58 477ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-29 14:51:39 2324ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-26 07:30:39 9523ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-19 10:04:27 1504ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-26 17:19:15 589ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-24 11:04:27 shown 2886ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-14 08:45:17 3790ms 3 NS 1 A 1 MX 🔒 Secure
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