stroemgroup.dk

📜 Historical scan 2026-08-27 21:16:42  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

stroemgroup.dk is a .dk domain served by 2 nameservers (gabriella.ns.cloudflare.com, mitch.ns.cloudflare.com). It was registered on 8 January 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.78.159 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 4 more. 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   65ms

🌍 A Records#

2 records   71ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.78.159 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.223.189 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

6 records   60ms

🔷 AAAA Records (IPv6)#

2 records   60ms

🔐 HTTPS Records#

1 records   49ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.78.159,172.67.223.189 ech=AEX+DQBB/AAgACBaY3xXTjHGn020myaHmA0UDNM1FWVR3m9nS/VJiWGkRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:dfbd,2606:4700:3037::6815:4e9f

📝 TXT Records#

1 records   204ms
TXT Record
v=spf1 ip4:192.168.0.1/16 include:_spf.google.com include:spf.simply.com ip4:193.8.36.0/22 -all

✉️ SPF#

PolicyRecord (stroemgroup.dk)
-all (hard fail) v=spf1 ip4:192.168.0.1/16 include:_spf.google.com include:spf.simply.com ip4:193.8.36.0/22 -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 2026-10-10 22:35:48

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

98ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2409783275
Primary NS (MNAME)gabriella.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 19:06:18
FieldValue
RegistrarSimply.com A/S
Registered2021-01-08
Expires2027-01-31 (102d)

🔗 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
65ms
A
71ms
MX
60ms
AAAA
60ms
TXT
204ms
CAA
44ms
HTTPS
49ms
TLSA
179ms
SOA
0ms
MTA-STS
82ms
DNSSEC
98ms
SRV
92ms
Total
1109ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-29 16:19:39 700ms 2 NS 2 A 6 MX 🔓 Insecure
2026-09-25 20:19:15 781ms 2 NS 2 A 6 MX 🔓 Insecure
2026-09-19 05:37:03 3784ms 2 NS 2 A 6 MX 🔓 Insecure
2026-09-15 08:40:22 1874ms 2 NS 2 A 6 MX 🔓 Insecure
2026-09-03 22:59:14 1345ms 2 NS 2 A 6 MX 🔓 Insecure
2026-08-27 21:16:42 shown 1109ms 2 NS 2 A 6 MX 🔓 Insecure
2026-07-18 07:03:24 9584ms 2 NS 2 A 6 MX 🔓 Insecure
2026-06-18 20:51:32 10460ms 2 NS 2 A 6 MX 🔓 Insecure
2026-06-18 05:18:16 1105ms 2 NS 2 A 6 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone