jn-byggeri.dk

Records from scan: 2026-10-16 04:38:56 · 1302ms total · last checked 2026-10-20 08:14 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jn-byggeri.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 June 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.173 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by jnbyggeri-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 32ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.173	3600s	webcluster46.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jnbyggeri-dk0e.mail.protection.outlook.com	2a01:111:f403:ca3c::8 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::12 2a01:111:f403:ca48::e 52.101.185.21 52.101.68.25 52.101.73.145 52.101.91.162	mail-zrxpr05cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-matpr04cu00302.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 → 52.98.149.152
🔶 Autoconfig	77.111.240.173

🔷 AAAA Records (IPv6)#

1 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:806c:e6bf:e0e2:3e05	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 159ms

TXT Record
MS=ms80741370
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF#

Policy	Record (jn-byggeri.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.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#

checked 2026-10-16 04:38:56

www	77.111.240.173 2a02:2350:5:102:806c:e6bf:e0e2:3e05 (AS51468) (address records, no CNAME)
www vs bare domain	Same network jn-byggeri.dk: 77.111.240.173 2a02:2350:5:102:806c:e6bf:e0e2:3e05 (AS51468) www.jn-byggeri.dk: 77.111.240.173 2a02:2350:5:102:806c:e6bf:e0e2:3e05 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-jnbyggeri-dk0e._domainkey.dngroup.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-jnbyggeri-dk0e._domainkey.dngroup.onmicrosoft.com	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2026101502
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 2026-10-15 03:00:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-06-08
Expires	2027-06-30 (252d)

🔗 Same registrant#

4 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
jn-ejendomsudvikling.dk	Punktum dk A/S (direct)
jn-gruppen.dk	Punktum dk A/S (direct)
jnbyggeri.dk	Punktum dk A/S (direct)
jnudlejning.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

31ms

34ms

AAAA

33ms

TXT

159ms

CAA

32ms

HTTPS

29ms

TLSA

892ms

SOA

42ms

MTA-STS

47ms

DNSSEC

60ms

SRV

71ms

Total

1302ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 04:38:56 shown	1302ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 02:33:45	2699ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 12:02:26	2039ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 11:51:31	953ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 14:32:38	1800ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 01:32:32	4633ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 04:05:03	6274ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 18:04:19	4043ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 21:53:16	1835ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 21:32:30	918ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 01:56:27	2019ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 09:31:40	1604ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 15:16:06	906ms	2 NS 1 A 1 MX	🔒 Secure