sommer-feldinger.dk

📜 Historical scan 2026-08-26 22:10:41  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sommer-feldinger.dk is a .dk domain served by 2 nameservers (sasha.ns.cloudflare.com, sean.ns.cloudflare.com). It was registered on 7 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.19.177 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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   26ms
NameserverIP addressesPTRASN / ISP
sasha.ns.cloudflare.com 108.162.194.69
162.159.38.69
172.64.34.69
2606:4700:50::a29f:2645
2803:f800:50::6ca2:c245
2a06:98c1:50::ac40:2245		 sasha.ns.cloudflare.com
sasha.ns.cloudflare.com
sasha.ns.cloudflare.com
sasha.ns.cloudflare.com
sasha.ns.cloudflare.com
sasha.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
sean.ns.cloudflare.com 108.162.193.231
172.64.33.231
173.245.59.231
2606:4700:58::adf5:3be7
2803:f800:50::6ca2:c1e7
2a06:98c1:50::ac40:21e7		 sean.ns.cloudflare.com
sean.ns.cloudflare.com
sean.ns.cloudflare.com
sean.ns.cloudflare.com
sean.ns.cloudflare.com
sean.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   26ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.19.177 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.187.9 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128		 mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 300s mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129		 mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG

🔷 AAAA Records (IPv6)#

2 records   22ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:13b1 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::ac43:bb09 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   34ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.19.177,172.67.187.9 ech=AEX+DQBB+AAgACATcv+fK+Ptu0/bpXpp0D1wcGbigahtqny0PH7xycqfNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:13b1,2606:4700:3033::ac43:bb09

📝 TXT Records#

2 records   138ms
TXT Record
protonmail-verification=14d5378e5c3f7b56257a2be5e8c7eac706064d38
v=spf1 include:_spf.protonmail.ch include:alias.proton.me ~all

✉️ SPF#

PolicyRecord (sommer-feldinger.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch include:alias.proton.me ~all

📨 DMARC#

PolicyRecord (_dmarc.sommer-feldinger.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s

📬 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 2026-10-17 00:58:41
www104.21.19.177 172.67.187.9 2606:4700:3030::6815:13b1 2606:4700:3033::ac43:bb09 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   161ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

94ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413238565
Primary NS (MNAME)sasha.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 01:28:24
FieldValue
Registrarnordicway ApS
Registered2026-01-07
Expires2027-01-06 (71d)

🔗 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
26ms
A
26ms
MX
29ms
AAAA
22ms
TXT
138ms
CAA
24ms
HTTPS
34ms
TLSA
161ms
SOA
0ms
MTA-STS
40ms
DNSSEC
94ms
SRV
58ms
Total
994ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 00:58:41 4414ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-09 00:48:51 2208ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-26 22:10:41 shown 994ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-09 20:11:39 4779ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-08 09:02:52 1796ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-30 05:48:28 16006ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-07 04:18:49 3938ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-04 18:50:40 6293ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-26 01:06:38 1006ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 16:09:28 5560ms 2 NS 2 A 2 MX 🔓 Insecure
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