elberegner.dk

📜 Historical scan 2026-10-05 14:43:15  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

elberegner.dk is a .dk domain served by 2 nameservers (heather.ns.cloudflare.com, patryk.ns.cloudflare.com). It was registered on 2 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.72 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   35ms

🌍 A Records#

2 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.75.72 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.216.153 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   41ms
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
🔷 Autodiscover172.67.216.153
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   37ms

🔐 HTTPS Records#

1 records   35ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.75.72,172.67.216.153 ech=AEX+DQBBEQAgACDvShwVB+5Rm7cOoucaSXa34LiwgyGDEdAVRnnl/ILREAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:4b48,2606:4700:3036::ac43:d899

🔌 SRV Records#

1 records   67ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

2 records   176ms
TXT Record
Sendinblue-code:ed8cb64a1a5bab049d0ad6483c613962
v=spf1 include:spf.simply.com include:spf.sendinblue.com include:emsd1.com mx ~all

✉️ SPF#

PolicyRecord (elberegner.dk)
~all (soft fail) v=spf1 include:spf.simply.com include:spf.sendinblue.com include:emsd1.com mx ~all

📨 DMARC#

PolicyRecord (_dmarc.elberegner.dk)
p=none (monitor only) v=DMARC1;p=none;

📬 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 2026-10-14 06:35:34

✍️ DKIM keys#

1 found
SelectorCNAMEKey
mail — RSA · ~1024 bit below 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#

3 records   145ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
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#

112ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

35ms
FieldValue
Serial2416667034
Primary NS (MNAME)heather.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-16 23:06:20
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2020-03-02
Expires2027-03-31 (162d)

🔗 Same registrant#

24 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
35ms
A
39ms
MX
41ms
AAAA
37ms
TXT
176ms
CAA
32ms
HTTPS
35ms
TLSA
145ms
SOA
35ms
MTA-STS
51ms
DNSSEC
112ms
SRV
67ms
Total
849ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 06:35:34 2517ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-05 14:43:15 shown 849ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 13:54:49 2489ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 21:14:31 657ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-06 17:42:53 9975ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 03:48:17 662ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-24 15:20:41 1342ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-21 01:18:58 966ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-24 12:44:24 1549ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-30 04:07:11 1059ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 14:58:12 1155ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-21 11:02:00 1549ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 06:35:55 479ms 2 NS 2 A 1 MX 🔓 Insecure
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