stroemgroup.dk

📜 Historical scan 2026-09-15 08:40:22  ·  ← 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   142ms
NameserverIP addressesPTRASN / ISP
gabriella.ns.cloudflare.com 108.162.194.134
162.159.38.134
172.64.34.134
2606:4700:50::a29f:2686
2803:f800:50::6ca2:c286
2a06:98c1:50::ac40:2286		 gabriella.ns.cloudflare.com
gabriella.ns.cloudflare.com
gabriella.ns.cloudflare.com
gabriella.ns.cloudflare.com
gabriella.ns.cloudflare.com
gabriella.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com 108.162.193.208
172.64.33.208
173.245.59.208
2606:4700:58::adf5:3bd0
2803:f800:50::6ca2:c1d0
2a06:98c1:50::ac40:21d0		 mitch.ns.cloudflare.com
mitch.ns.cloudflare.com
mitch.ns.cloudflare.com
mitch.ns.cloudflare.com
mitch.ns.cloudflare.com
mitch.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   130ms
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   113ms
PriorityTTLMail ServerIP addressesPTRASN
1 300s aspmx.l.google.com 142.251.9.26
2a00:1450:4025:c01::1b		 rc-in-f26.1e100.net
rd-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 300s alt1.aspmx.l.google.com 192.178.211.26
2404:6800:4000:1025::1b		 lcbomp-in-f26.1e100.net
lcbomp-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 300s alt2.aspmx.l.google.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 300s alt3.aspmx.l.google.com 173.194.41.26
173.194.41.26
2404:6800:4001:c01::1b		 yukulwh-in-f26.1e100.net
mad01s14-in-f26.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
10 300s alt4.aspmx.l.google.com 172.253.158.26
2404:6800:4003:c26::1b		 so-in-f26.1e100.net
so-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
15 300s ehfsab7d2hhy2kxddr5lrpt5df3ks2xr6hzrdm7a6auuskzbiebq.mx-verification.google.com — — —

🔷 AAAA Records (IPv6)#

2 records   111ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:dfbd 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:4e9f 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   120ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.78.159,172.67.223.189 ech=AEX+DQBBcAAgACBuMsSnOKbY2fxGPYar2Gjp7wlu8IeBZQH+2fQ+JJUcWgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:dfbd,2606:4700:3037::6815:4e9f

📝 TXT Records#

1 records   259ms
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
www104.21.78.159 172.67.223.189 2606:4700:3030::ac43:dfbd 2606:4700:3037::6815:4e9f (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.stroemgroup.dk VGF0P7W9usR7e9O3uNM479L4eioVOo_GJuDnDMSqJGY
TXT _acme-challenge.stroemgroup.dk sK0C2ECU1qNdLg8f016ez_iehQaySjsmm2-BwMnJgpk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

189ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414884286
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 (103d)

🔗 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
142ms
A
130ms
MX
113ms
AAAA
111ms
TXT
259ms
CAA
127ms
HTTPS
120ms
TLSA
992ms
SOA
0ms
MTA-STS
134ms
DNSSEC
189ms
SRV
134ms
Total
1874ms

🕐 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 shown 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 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
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