gulstroem.dk

📜 Historical scan 2026-06-17 10:06:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gulstroem.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 August 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.103.39.198 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by gulstrom-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 109ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 114ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.103.39.198	—	5.103.39.198.static.fibianet.dk	AS44869	FIBIA P/S	5.103.0.0/16	🇩🇰 Denmark	Holbæk

📧 MX Records#

1 records 105ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	gulstrom-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::5 2a01:111:f403:ca09::d 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.3 52.101.73.1 52.101.73.28	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 4181ms

TXT Record
google-site-verification=csnoWC2GqNNhHSsetRvfcbe2-iMWdtD1oSC8D0NP1gY
google-site-verification=GotEhDcS9PD9jLP74JsihQc0EkbgN8qrmLskIPfzRBc
google-site-verification=IHcSqLB6iRbiLsKuTtqfxoH0DT0ux0W5us2aHy7GpJE
MS=ms61495145
v=spf1 mx ip4:5.103.39.212 include:spf.protection.outlook.com a:mail.nrgi.dk include:trustpilotservice.com include:spf.mandrillapp.com include:rnmk.com ~all

✉️ SPF#

Policy	Record (gulstroem.dk)
~all (soft fail)	v=spf1 mx ip4:5.103.39.212 include:spf.protection.outlook.com a:mail.nrgi.dk include:trustpilotservice.com include:spf.mandrillapp.com include:rnmk.com ~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 15:11:40

www	5.103.39.198 (AS44869) (address records, no CNAME)
www vs bare domain	Same network gulstroem.dk: 5.103.39.198 (AS44869) www.gulstroem.dk: 5.103.39.198 (AS44869)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: ~all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

261ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

103ms

Field	Value
Serial	2026061001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 15:40:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-08-27
Expires	2027-08-31 (312d)

📋 WHOIS#

⏱️ Lookup Timing#

109ms

114ms

105ms

AAAA

119ms

TXT

4181ms

CAA

100ms

HTTPS

103ms

TLSA

172ms

SOA

103ms

MTA-STS

4034ms

DNSSEC

261ms

SRV

0ms

Total

4901ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 15:11:39	1461ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 11:53:41	1235ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 11:53:29	1103ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 16:45:22	822ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 04:19:20	1346ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 20:37:12	1202ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 03:25:14	1977ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 23:31:27	793ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:06:44 shown	4901ms	2 NS 1 A 1 MX	🔒 Secure