fstg.dk

📜 Historical scan 2026-10-19 04:33:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fstg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 September 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.135.42 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by fstg-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 412ms

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 588ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records#

1 records 415ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	fstg-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::9 2a01:111:f403:ca09::a 2a01:111:f403:ca38::8 52.101.103.140 52.101.209.31 52.101.91.153 52.101.91.21	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr05cu00105.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	fstg.dk → 162.159.135.42

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 756ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

9 records 2044ms

TXT Record
1tgh42c6q5h0hgjfkxcqlcr1sgmhl77j
ca3-8ab8cf4ad2ec4fe383543049e6bd8788
ca3-dc833b3514f44c56ad21eb3c95fc63e8
fB/YkMdeJpCRvsop+VVipTg7Y9vLpiSseMEsHXJE/FxQq2FRFbk2igZjTFdcUdh+a5Drot875HAiMFxXrmtgJw==
MS=ms17622366
v=spf1 ip4:80.208.31.44 ip4:185.201.104.242 ip4:188.244.64.53 ip4:212.98.94.7 ip4:185.201.104.155 include:spf.protection.outlook.com include:spf.autopilothq.com include:sendgrid.net include:spf.zoho.eu include:eu.transmail.net -all
X-Microsoft-Antispam-Message-Inf
zhr4tbsxh4010skm3cbzr3gbgzr6jbxn
zoho-verification=zb63767199.zmverify.zoho.eu

✉️ SPF#

Policy	Record (fstg.dk)
-all (hard fail)	v=spf1 ip4:80.208.31.44 ip4:185.201.104.242 ip4:188.244.64.53 ip4:212.98.94.7 ip4:185.201.104.155 include:spf.protection.outlook.com include:spf.autopilothq.com include:sendgrid.net include:spf.zoho.eu include:eu.transmail.net -all

📨 DMARC#

Policy	Record (_dmarc.fstg.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:it@fstg.dk;

📬 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 2026-10-23 00:29:26

www	162.159.135.42 (AS13335) (address records, no CNAME)
www vs bare domain	Same network fstg.dk: 162.159.135.42 (AS13335) www.fstg.dk: 162.159.135.42 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-fstg-dk._domainkey.buchthornam.d-v1.dkim.mail.microsoft	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: 6/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.fstg.dk	fstg.dk.kinstavalidation.app

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2112ms

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

🏷️ SOA#

506ms

Field	Value
Serial	2026101802
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 2026-10-20 05:24:18

Field	Value
Registrar	ONE.COM A/S
Registered	2006-09-22
Expires	2027-09-30 (342d)

🔗 Same registrant#

3 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).

Domain	Registrar
fsindustri.dk	ONE.COM A/S
hans-buch.dk	ONE.COM A/S
hansbuch.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

412ms

588ms

415ms

AAAA

456ms

TXT

2044ms

CAA

471ms

HTTPS

814ms

TLSA

906ms

SOA

506ms

MTA-STS

1600ms

DNSSEC

2112ms

SRV

756ms

Total

5391ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 00:29:26	616ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-20 05:12:28	2322ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-19 04:33:08 shown	5391ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-18 03:19:17	1242ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-17 03:05:59	1048ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 02:11:35	1935ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 19:53:27	2417ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 18:24:46	1374ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 16:16:41	1214ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 15:39:16	1162ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 14:54:45	1986ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 14:27:07	956ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 02:17:22	3417ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 02:11:47	1352ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 02:07:49	3150ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 23:57:05	1084ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 23:55:12	2363ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 23:43:12	907ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 23:41:22	1401ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 23:40:19	1009ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 23:16:33	940ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 01:12:55	880ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 11:39:43	1045ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 11:34:06	1641ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 11:25:12	1156ms	2 NS 1 A 1 MX	🔒 Secure