systembyg.dk

📜 Historical scan 2026-06-18 05:16:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

systembyg.dk is a .dk domain served by 2 nameservers (ns1.telanco.dk, ns2.telanco.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 84.246.247.21 is hosted by Novaram ApS (AS34165) in Denmark. Mail is handled by systembyg-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 68ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.telanco.dk	84.246.245.104	84-246-245-104.unalloc.logiqit.net	AS34165 Novaram ApS
ns2.telanco.dk	84.246.247.29	84-246-247-29.cust.novaram.net	AS34165 Novaram ApS

🌍 A Records#

1 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
84.246.247.21	—	web04.telanco.dk	AS34165	Novaram ApS	84.246.244.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	systembyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::4 2a01:111:f403:ca09::5 2a01:111:f403:ca09::7 52.101.68.29 52.101.68.3 52.101.73.28 52.101.73.30	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 52.98.253.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 531ms

TXT Record
MS=ms63978323
v=spf1 ip4:84.246.247.21 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (systembyg.dk)
-all (hard fail)	v=spf1 ip4:84.246.247.21 include:spf.protection.outlook.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 2026-10-15 06:22:41

www	84.246.247.21 (AS34165) (address records, no CNAME)
www vs bare domain	Same network systembyg.dk: 84.246.247.21 (AS34165) www.systembyg.dk: 84.246.247.21 (AS34165)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-systembyg-dk._domainkey.systembygdk.w-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-systembyg-dk._domainkey.systembygdk.w-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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

165ms

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

🏷️ SOA#

72ms

Field	Value
Serial	2025050502
Primary NS (MNAME)	ns1.telanco.dk
Responsible (RNAME)	hostmaster@telanco.dk
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

68ms

70ms

AAAA

83ms

TXT

531ms

CAA

65ms

HTTPS

66ms

TLSA

151ms

SOA

72ms

MTA-STS

25ms

DNSSEC

165ms

SRV

96ms

Total

1084ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 06:22:41	4866ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 16:40:50	13611ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 22:10:33	711ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 09:14:44	1245ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 12:48:57	3159ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 11:05:59	1189ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-21 10:30:09	65535ms	2 NS 1 A 1 MX	❓ Unknown
2026-06-26 01:00:21	924ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 00:37:14	16636ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 05:16:26 shown	1084ms	2 NS 1 A 1 MX	🔓 Insecure