sper.dk

Records from scan: 2026-10-18 02:14:38  ·  442ms total
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sper.dk is a .dk domain served by 2 nameservers (dana.ns.cloudflare.com, peyton.ns.cloudflare.com). It was registered on 15 April 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.164 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, 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   50ms
NameserverIP addressesPTRASN / ISP
dana.ns.cloudflare.com 108.162.192.105
172.64.32.105
173.245.58.105
2606:4700:50::adf5:3a69
2803:f800:50::6ca2:c069
2a06:98c1:50::ac40:2069		 dana.ns.cloudflare.com
dana.ns.cloudflare.com
dana.ns.cloudflare.com
dana.ns.cloudflare.com
dana.ns.cloudflare.com
dana.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
peyton.ns.cloudflare.com 108.162.193.221
172.64.33.221
173.245.59.221
2606:4700:58::adf5:3bdd
2803:f800:50::6ca2:c1dd
2a06:98c1:50::ac40:21dd		 peyton.ns.cloudflare.com
peyton.ns.cloudflare.com
peyton.ns.cloudflare.com
peyton.ns.cloudflare.com
peyton.ns.cloudflare.com
peyton.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   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.7.164 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.136.246 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   28ms
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
🔷 Autodiscover104.21.7.164
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   34ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::ac43:88f6 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:7a4 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   41ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.7.164,172.67.136.246 ech=AEX+DQBBZAAgACCEJ2UIwNHJgnJZnGeIHlgbpLf6twayCJJF2qTWPVWDVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:88f6,2606:4700:3035::6815:7a4

📝 TXT Records#

1 records   172ms
TXT Record
v=spf1 include:spf.simply.com ~all

✉️ SPF#

PolicyRecord (sper.dk)
~all (soft fail) v=spf1 include:spf.simply.com ~all

📨 DMARC#

PolicyRecord (_dmarc.sper.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:k@sper.dk

📬 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 2026-10-18 02:14:38
www104.21.7.164 172.67.136.246 2606:4700:3034::ac43:88f6 2606:4700:3035::6815:7a4 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

1 records   55ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

69ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

45ms
FieldValue
Serial2417743997
Primary NS (MNAME)dana.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 18:59:18
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1997-04-15
Expires2027-06-30 (254d)

🔗 Same registrant#

11 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).

DomainRegistrar
danskroning.dkKey-Systems GmbH
familienhaagensen.dkPunktum dk A/S (direct)
foreningshjælp.dkPunktum dk A/S (direct)
ingeman-petersen.dkPunktum dk A/S (direct)
internetbranding.dkPunktum dk A/S (direct)
mpus.dkPunktum dk A/S (direct)
organicseedfactory.dkPunktum dk A/S (direct)
promoseeds.dkPunktum dk A/S (direct)
rofitness.dkPunktum dk A/S (direct)
rosportdanmark.dkKey-Systems GmbH
sexinstruktor.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
50ms
A
30ms
MX
28ms
AAAA
34ms
TXT
172ms
CAA
30ms
HTTPS
41ms
TLSA
55ms
SOA
45ms
MTA-STS
46ms
DNSSEC
69ms
SRV
62ms
Total
442ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 02:14:38 shown 442ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-17 02:02:55 1530ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 13:37:03 993ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 13:31:14 705ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 00:48:03 3061ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-21 09:55:28 745ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-14 21:18:13 1241ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-11 16:17:14 1473ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-06 04:53:07 984ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-28 02:02:27 569ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 00:59:39 1612ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-21 21:43:25 6121ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-18 20:45:21 8903ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 19:47:42 2146ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 22:14:04 4906ms 2 NS 2 A 1 MX 🔓 Insecure
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