optinora.dk

Records from scan: 2026-10-24 02:01:38  ·  1332ms total  ·  last checked 2026-10-25 02:11 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   75ms
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   73ms
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   126ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.103.108
94.231.106.20		 mx.simply.com
mx.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover172.67.200.81
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   128ms
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   109ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.21.203,172.67.200.81 ech=AEX+DQBBHAAgACCjxNn2YEwRNwlcB8Jx2IBqa4APKBP5jD76+TzNOjNTUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:15cb,2606:4700:3032::ac43:c851

🔌 SRV Records#

1 records   239ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   396ms
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#

checked 2026-10-24 02:01:39
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 3-8aLHmaNbhmqy3TEWdvxeu9GEZytSScebrB4RyZQV0
TXT _acme-challenge.optinora.dk 4Lp1uN27_mmtVVjSWb7VYGywVXAf2ERiMa3my-X5mEc

🔗 TLSA / DANE#

2 records   183ms
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 4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

251ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

77ms
FieldValue
Serial2418143696
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 (290d)

🔗 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
75ms
A
73ms
MX
126ms
AAAA
128ms
TXT
396ms
CAA
77ms
HTTPS
109ms
TLSA
183ms
SOA
77ms
MTA-STS
228ms
DNSSEC
251ms
SRV
239ms
Total
1332ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 02:01:38 shown 1332ms 2 NS 2 A 1 MX 🔒 Secure
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 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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