slyngeskolen.dk

📜 Historical scan 2026-08-18 16:01:07  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

slyngeskolen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 July 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.179 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. 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   198ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   198ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.179 3600s webcluster2.webpod17-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   243ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod12-cph3.one.com 104.37.34.246 mx1.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod12-cph3.one.com 104.37.34.247 mx2.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod12-cph3.one.com 104.37.34.248 mx3.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod12-cph3.one.com 104.37.34.249 mx4.pub.mailpod12-cph3.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records   214ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:8098:5409:34be:1a9b 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   447ms
TXT Record
pinterest-site-verification=86faeb1fe10e588bfaaceb55d8a8f3a7
v=spf1 include:_custspf.one.com include:_spf.simplero.com ~all
v=spf1 include:sendgrid.net ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (slyngeskolen.dk)
~all (soft fail) v=spf1 include:_custspf.one.com include:_spf.simplero.com ~all
~all (soft fail) v=spf1 include:sendgrid.net ~all

📨 DMARC#

PolicyRecord (_dmarc.slyngeskolen.dk)
p=none (monitor only) v=DMARC1; p=none; pct=100; rua=mailto:re+m6gmpv25o8w@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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 2026-10-20 03:24:22
www46.30.215.179 2a02:2350:5:106:8098:5409:34be:1a9b (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
s1 s1.domainkey.u5155.wl156.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u5155.wl156.sendgrid.net 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: 5/10 · policy: ~all

  • error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

4 records   472ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…

🔐 DNSSEC#

343ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026081802
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-18 01:15:50
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2011-07-20
Expires2027-07-31 (276d)

🔗 Same registrant#

6 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
hverdagsmodig.dkPunktum dk A/S (direct)
lindabendix.dkPunktum dk A/S (direct)
livsbasis.dkPunktum dk A/S (direct)
onlinebizzbasis.dkPunktum dk A/S (direct)
vaegttab360.dkPunktum dk A/S (direct)
vaegttabsuniverset.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
198ms
A
198ms
MX
243ms
AAAA
214ms
TXT
447ms
CAA
220ms
HTTPS
249ms
TLSA
472ms
SOA
0ms
MTA-STS
288ms
DNSSEC
343ms
SRV
250ms
Total
2315ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-20 03:24:22 1529ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-19 02:11:23 1569ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-18 00:43:24 506ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-09 06:29:54 839ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-29 20:11:50 608ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-27 23:52:43 4621ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-09 17:26:15 787ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-04 07:49:12 4546ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-31 22:37:57 660ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-18 16:01:07 shown 2315ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-10 01:18:31 3777ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-15 19:38:04 1561ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-30 17:22:43 709ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-25 10:52:30 649ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 13:31:24 821ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 10:22:19 1202ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 13:34:57 772ms 2 NS 1 A 4 MX 🔒 Secure
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