sper.dk

📜 Historical scan 2026-09-06 04:53:07  ·  ← Latest scan
⬇ 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, has no 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   58ms
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   49ms
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   58ms
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
🔷 Autodiscover104.21.7.164
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   50ms
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   50ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.7.164,172.67.136.246 ech=AEX+DQBBNAAgACD8f0du826UELyWBdH5GNFvyWbhJq69rwVYeuNe9oiLXgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:88f6,2606:4700:3035::6815:7a4

📝 TXT Records#

1 records   216ms
TXT Record
v=spf1 include:spf.simply.com ?all

✉️ SPF#

PolicyRecord (sper.dk)
?all (neutral) v=spf1 include:spf.simply.com ?all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-18 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

  • warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.sper.dk U6dB1ooz75AJ4Sjn_pT7T2C0MlM31eBDEReSM7p1lxg
TXT _acme-challenge.sper.dk YOMRedhozvezQfEL5cn0_sz9KZ4JI6QNDdBEAA1BJu0

🔗 TLSA / DANE#

2 records   95ms
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#

129ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413983043
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
58ms
A
49ms
MX
58ms
AAAA
50ms
TXT
216ms
CAA
51ms
HTTPS
50ms
TLSA
95ms
SOA
0ms
MTA-STS
82ms
DNSSEC
129ms
SRV
97ms
Total
984ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 02:14:38 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 shown 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone