bygtjek.dk

Records from scan: 2026-09-29 20:31:26 · 1267ms total · last checked 2026-10-17 17:10 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bygtjek.dk is a .dk domain served by 2 nameservers (curns01.dnsadmin.dk, curns02.dnsadmin.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.31.16.91 is hosted by Itm8 A/S (AS43088) in Denmark. Mail is handled by bygtjek-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
curns01.dnsadmin.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
curns02.dnsadmin.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.31.16.91	3600s	—	AS43088	Itm8 A/S	46.31.16.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	bygtjek-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca09::a 2a01:111:f403:ca21::c 2a01:111:f403:ca48::8 52.101.181.153 52.101.209.31 52.101.68.21 52.101.73.153	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 126ms

TXT Record
MS=ms12490990
v=spf1 a rip4:78.143.99.194 ip4:193.200.225.0/24 include:web.shared.mysmtp.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (bygtjek.dk)
-all (hard fail)	v=spf1 a rip4:78.143.99.194 ip4:193.200.225.0/24 include:web.shared.mysmtp.com include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.bygtjek.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:quarantine@bygtjek.dk; pct=100; fo=1

📬 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#

checked 2026-10-11 05:40:55

www	46.31.16.91 (AS43088) (address records, no CNAME)
www vs bare domain	Same network bygtjek.dk: 46.31.16.91 (AS43088) www.bygtjek.dk: 46.31.16.91 (AS43088)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-bygtjek-dk._domainkey.jualas.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-bygtjek-dk._domainkey.jualas.onmicrosoft.com	RSA · ~1024 bit below 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

error Unknown mechanism "rip4:78.143.99.194": receivers treat the record as a permanent error

🔗 TLSA / DANE#

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

🔐 DNSSEC#

61ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092401
Primary NS (MNAME)	curns01.dnsadmin.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

34ms

38ms

36ms

AAAA

28ms

TXT

126ms

CAA

49ms

HTTPS

41ms

TLSA

866ms

SOA

0ms

MTA-STS

40ms

DNSSEC

61ms

SRV

55ms

Total

1267ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 20:31:26 shown	1267ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 03:53:06	940ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 03:18:16	911ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 02:42:03	1327ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 16:56:19	784ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 11:23:11	1006ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 01:59:58	1037ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 00:30:24	2885ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:23:02	694ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:20:42	880ms	2 NS 1 A 1 MX	🔒 Secure