bygud.dk

Records from scan: 2026-10-14 14:37:07 · 2236ms total · last checked 2026-10-17 20:38 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bygud.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 December 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.50 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by bygud-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 86ms

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 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.50	600s	nt40.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	bygud-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::a 2a01:111:f403:ca21::c 2a01:111:f403:ca48::c 52.101.103.143 52.101.185.114 52.101.73.145 52.101.91.159	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-matpr04cu00207.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

14 records 316ms

TXT Record
_globalsign-domain-verification=EMCfOGI3o23UMaYhUvNG-HGM0ywLZAXVbaPu3-mEpk
_globalsign-domain-verification=Pq4trxoWruTVw5VK6E5R65RIjyFNIwM8B7K1_0KRuJ
_globalsign-domain-verification=WTq2qq5T7Hxw_EvHl99dZf6yyjV6as4A-OP8a5Jd5U
_r69tnflf03aaucgfcpl77viqi1lqvea
159z8xt2l0y110gj99w25yhzxgp9srnf
eclpuu54e9filqaq190rofur7
google-site-verification=Amoq8huD4XLW9AxtQuzTejvAHrZd27NUEATFE7sFPQk
include:_spf.eu.messagegears.net
ms-domain-verification=05ab9aa6-87e1-40b0-bc1f-a12c18228d9a
ms-domain-verification=b6dfe407-a2c7-4c0a-bee8-77ed8b30b24e
MS=ms43865318
pl7nm090hiv0fqlvuvkdeveglm
v=spf1 a:outlook.bygud.dk ip4:51.137.86.121 include:spf.protection.outlook.com include:spf.mailanyone.net include:customers.clickdimensions.com -all
VoJbmQU67wj9pL7p7MSbDyYdpCSd5dXpA1LWkQPatMc=

✉️ SPF#

Policy	Record (bygud.dk)
-all (hard fail)	v=spf1 a:outlook.bygud.dk ip4:51.137.86.121 include:spf.protection.outlook.com include:spf.mailanyone.net include:customers.clickdimensions.com -all

📨 DMARC#

Policy	Record (_dmarc.bygud.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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 2026-10-14 14:37:08

www	93.191.156.50 (AS48854) (address records, no CNAME)
www vs bare domain	Same network bygud.dk: 93.191.156.50 (AS48854) www.bygud.dk: 93.191.156.50 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u47341934.wl185.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u47341934.wl185.sendgrid.net	RSA · ~2048 bit
selector1	selector1-bygud-dk._domainkey.byguddannelser.y-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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

221ms

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

🏷️ SOA#

80ms

Field	Value
Serial	2026101401
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 2026-10-14 15:05:50

Field	Value
Registrar	ONE.COM A/S
Registered	2003-12-16
Expires	2026-12-31 (74d)

🔗 Same registrant#

11 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
bam-bus.dk	INTERNET 123 ApS
blivanlaegsstruktoer.dk	Punktum dk A/S (direct)
blivbrolaegger.dk	ONE.COM A/S
blivtekniskisolatør.dk	ONE.COM A/S
byggerietsuddannelser.dk	ONE.COM A/S
laerlingehjælpen.dk	ONE.COM A/S
laerlingelinjen.dk	ONE.COM A/S
lærlingehjaelpen.dk	ONE.COM A/S
nedriver.dk	ONE.COM A/S
småkurser.dk	ONE.COM A/S
stilladsmontoer.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

86ms

83ms

AAAA

101ms

TXT

316ms

CAA

75ms

HTTPS

99ms

TLSA

880ms

SOA

80ms

MTA-STS

166ms

DNSSEC

221ms

SRV

160ms

Total

2236ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 14:37:07 shown	2236ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 22:04:27	1321ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 20:14:25	851ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 03:24:37	2962ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 22:02:00	849ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 11:34:52	2486ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 11:06:59	3119ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 13:04:38	3139ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:26:34	944ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:20:56	791ms	2 NS 1 A 1 MX	🔒 Secure