bygud.dk

📜 Historical scan 2026-06-16 18:20:56  ·  ← Latest scan
⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   52ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —

🌍 A Records#

1 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.50 — nt40.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —

📧 MX Records#

1 records   49ms
PriorityTTLMail ServerIP addressesPTRASN
10 — bygud-dk.mail.protection.outlook.com 52.101.68.18
52.101.68.29
52.101.68.8
52.101.73.30		 mail-db4pr02cu00302.inbound.protection.outlook.com
mail-dbapr03cu00105.inbound.protection.outlook.com
mail-du0pr03cu00100.inbound.protection.outlook.com
mail-am7pr05cu00306.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

14 records   127ms
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 include:spf.protection.outlook.com include:spf.mailanyone.net include:customers.clickdimensions.com -all
VoJbmQU67wj9pL7p7MSbDyYdpCSd5dXpA1LWkQPatMc=

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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#

latest probe, not this scan · checked 2026-10-14 14:37:08
www93.191.156.50 (AS48854) (address records, no CNAME)
www vs bare domainSame network
bygud.dk: 93.191.156.50 (AS48854)
www.bygud.dk: 93.191.156.50 (AS48854)
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found
SelectorCNAMEKey
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#

116ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

46ms
FieldValue
Serial2026061201
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-14 15:05:50
FieldValue
RegistrarONE.COM A/S
Registered2003-12-16
Expires2026-12-31 (73d)

🔗 Same registrant#

14 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).

DomainRegistrar
bam-bus.dkINTERNET 123 ApS
blivanlaegsstruktoer.dkPunktum dk A/S (direct)
blivbrolaegger.dkONE.COM A/S
blivgroundsman.dkONE.COM A/S
blivstruktoer.dkONE.COM A/S
blivtekniskisolatør.dkONE.COM A/S
byggerietsuddannelser.dkONE.COM A/S
laerlingehjælpen.dkONE.COM A/S
laerlingelinjen.dkONE.COM A/S
lærlingehjaelpen.dkONE.COM A/S
lærlingelinjen.dkONE.COM A/S
nedriver.dkONE.COM A/S
småkurser.dkONE.COM A/S
stilladsmontoer.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
52ms
A
50ms
MX
49ms
AAAA
47ms
TXT
127ms
CAA
46ms
HTTPS
49ms
TLSA
230ms
SOA
46ms
MTA-STS
104ms
DNSSEC
116ms
SRV
0ms
Total
791ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 14:37:07 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 shown 791ms 2 NS 1 A 1 MX 🔒 Secure
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