sommer-feldinger.dk

📜 Historical scan 2026-06-17 16:09:28  ·  ← 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   223ms
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   190ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.19.177 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.187.9 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   207ms
PriorityTTLMail ServerIP addressesPTRASN
10 — 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 — 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   249ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::ac43:bb09 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::6815:13b1 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   237ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.19.177,172.67.187.9 ech=AEX+DQBBcQAgACCLRAjcukzv4fR8BmTwARacd6cY+leAQVPWIttYUEh6LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:bb09,2606:4700:3036::6815:13b1

📝 TXT Records#

2 records   429ms
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   547ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

402ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

271ms
FieldValue
Serial2406662643
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 (76d)

🔗 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
223ms
A
190ms
MX
207ms
AAAA
249ms
TXT
429ms
CAA
234ms
HTTPS
237ms
TLSA
547ms
SOA
271ms
MTA-STS
251ms
DNSSEC
402ms
SRV
0ms
Total
5560ms

🕐 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 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 shown 5560ms 2 NS 2 A 2 MX 🔓 Insecure
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