gubi.dk

Records from scan: 2026-10-09 05:43:10  ·  1598ms total  ·  last checked 2026-10-16 15:41 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gubi.dk is a .dk domain served by 2 nameservers (cartman.ns.cloudflare.com, kenia.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.86.18 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by gubi-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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   37ms

🌍 A Records#

2 records   27ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.86.18 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.214.12 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   35ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

2 records   40ms

🔐 HTTPS Records#

1 records   29ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.86.18,172.67.214.12 ech=AEX+DQBBQAAgACD7lQIQ9UDp1k+OxL0qeWRmFttdctwMHXS1y13e0+4lTwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d60c,2606:4700:3033::6815:5612

🔌 SRV Records#

1 records   64ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

7 records   195ms
TXT Record
apple-domain-verification=16RvRRzgyarOzFGo
dropbox-domain-verification=3ghy3t5ef28k
google-site-verification=bqsLePPqCgCG4mahfASvdAfB7XXk3xowc5WQ9wnLQpY
openai-domain-verification=dv-duFtkB4V2TsMN0O6LyaBGydf
rhino_accounts=401252455e1549ae9f58735cf5e49114
smartsheet-site-validation=gDrBa1dMSWM9L52j13xM29-s3HKcjRqw
v=spf1 include:spf1.gubi.dk include:spf2.gubi.dk -all

✉️ SPF#

PolicyRecord (gubi.dk)
-all (hard fail) v=spf1 include:spf1.gubi.dk include:spf2.gubi.dk -all

📨 DMARC#

PolicyRecord (_dmarc.gubi.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; 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 2026-10-09 05:43:10
www104.21.86.18 172.67.214.12 2606:4700:3032::ac43:d60c 2606:4700:3033::6815:5612 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
selector1 selector1-gubi-dk._domainkey.gubidk.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: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

71ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

52ms
FieldValue
Serial2416235063
Primary NS (MNAME)cartman.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
37ms
A
27ms
MX
35ms
AAAA
40ms
TXT
195ms
CAA
35ms
HTTPS
29ms
TLSA
618ms
SOA
52ms
MTA-STS
57ms
DNSSEC
71ms
SRV
64ms
Total
1598ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 05:43:10 shown 1598ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-30 18:34:04 817ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-30 12:29:30 2598ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-26 11:59:45 1248ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-24 03:01:36 947ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-21 15:36:51 2063ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-12 20:29:12 1076ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-06 17:54:57 1308ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-29 15:43:47 1772ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-07 03:03:34 11212ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-29 09:32:19 4039ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-23 12:27:02 2922ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-14 04:40:39 2470ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-26 12:14:12 1365ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-23 09:06:09 3200ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-17 10:07:33 4026ms 2 NS 2 A 1 MX 🔒 Secure
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