stroemgroup.dk

📜 Historical scan 2026-06-18 05:18:16 · ← 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 37ms

Nameserver	IP addresses	PTR	ASN / 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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.78.159	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.189	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

6 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.158.27 2404:6800:4000:1025::1a	so-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4008:c01::1b	so-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	192.178.230.26 2404:6800:4008:c01::1a	yunrtab-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	173.194.43.26 2404:6800:400b:c01b::1b	yudlsqd-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
15	—	ehfsab7d2hhy2kxddr5lrpt5df3ks2xr6hzrdm7a6auuskzbiebq.mx-verification.google.com	—	—	—

🔷 AAAA Records (IPv6)#

2 records 78ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:4e9f	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:dfbd	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 72ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB5QAgACChQx2i+yB+lajFIzQxGHXruxhXb+XaBa5Rn/GiSbZUegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records#

1 records 180ms

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#

Policy	Record (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

www	104.21.78.159 172.67.223.189 2606:4700:3030::ac43:dfbd 2606:4700:3037::6815:4e9f (AS13335) (address records, no CNAME)
www vs bare domain	Same network stroemgroup.dk: 104.21.78.159 172.67.223.189 2606:4700:3030::ac43:dfbd 2606:4700:3037::6815:4e9f (AS13335) www.stroemgroup.dk: 104.21.78.159 172.67.223.189 2606:4700:3030::ac43:dfbd 2606:4700:3037::6815:4e9f (AS13335)
Wildcard	No

🔎 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#

80ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

49ms

Field	Value
Serial	2404682658
Primary NS (MNAME)	gabriella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 19:06:18

Field	Value
Registrar	Simply.com A/S
Registered	2021-01-08
Expires	2027-01-31 (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#

37ms

52ms

59ms

AAAA

78ms

TXT

180ms

CAA

80ms

HTTPS

72ms

TLSA

119ms

SOA

49ms

MTA-STS

45ms

DNSSEC

80ms

SRV

67ms

Total

1105ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	1105ms	2 NS 2 A 6 MX	🔓 Insecure