nbyggeri.dk

📜 Historical scan 2026-06-22 05:57:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nbyggeri.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 17 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.19 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by nbyggeri-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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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
ns2.curanet.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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.19	600s	linux200.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nbyggeri-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 52.101.68.21 52.101.73.15 52.101.73.16 52.101.73.2	mail-db7pr03cu00401.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.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
🔶 Autoconfig	35.198.171.251

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 157ms

TXT Record
v=spf1 include:sendgrid.net include:spf.protection.outlook.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:35.198.171.251 -all

✉️ SPF#

Policy	Record (nbyggeri.dk)
-all (hard fail)	v=spf1 include:sendgrid.net include:spf.protection.outlook.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:35.198.171.251 -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 2026-10-09 02:23:21

www	94.231.106.19 (AS48854) (address records, no CNAME)
www vs bare domain	Same network nbyggeri.dk: 94.231.106.19 (AS48854) www.nbyggeri.dk: 94.231.106.19 (AS48854)
Wildcard	Yes: any name under the zone resolves
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
s1	s1.domainkey.u19964708.wl209.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u19964708.wl209.sendgrid.net	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: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

56ms

Field	Value
Serial	2023091102
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-05 13:39:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-03-17
Expires	2027-03-31 (162d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

52ms

47ms

AAAA

93ms

TXT

157ms

CAA

52ms

HTTPS

51ms

TLSA

323ms

SOA

56ms

MTA-STS

48ms

DNSSEC

107ms

SRV

136ms

Total

742ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-28 10:55:39	946ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 17:46:03	1166ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 05:29:17	838ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 06:26:31	1655ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 05:57:55 shown	742ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:23:18	2786ms	2 NS 1 A 1 MX	🔒 Secure