kte-byg.dk

📜 Historical scan 2026-09-19 20:45:00  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kte-byg.dk is a .dk domain served by 2 nameservers (ada.ns.cloudflare.com, tom.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.189 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ktebyg-dk0i.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   116ms
NameserverIP addressesPTRASN / ISP
ada.ns.cloudflare.com 108.162.192.54
172.64.32.54
173.245.58.54
2606:4700:50::adf5:3a36
2803:f800:50::6ca2:c036
2a06:98c1:50::ac40:2036		 ada.ns.cloudflare.com
ada.ns.cloudflare.com
ada.ns.cloudflare.com
ada.ns.cloudflare.com
ada.ns.cloudflare.com
ada.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
tom.ns.cloudflare.com 108.162.193.147
172.64.33.147
173.245.59.147
2606:4700:58::adf5:3b93
2803:f800:50::6ca2:c193
2a06:98c1:50::ac40:2193		 tom.ns.cloudflare.com
tom.ns.cloudflare.com
tom.ns.cloudflare.com
tom.ns.cloudflare.com
tom.ns.cloudflare.com
tom.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   121ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.54.189 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.141.70 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   147ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s ktebyg-dk0i.mail.protection.outlook.com 2a01:111:f403:c967::8
2a01:111:f403:ca04::b
2a01:111:f403:ca04::c
2a01:111:f403:ca21::8
52.101.185.24
52.101.209.31
52.101.68.27
52.101.68.29		 mail-cpjpr04cu00100.inbound.protection.outlook.com
mail-dbbpr03cu00103.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-matpr04cu00100.inbound.protection.outlook.com
mail-zrxpr07cu00100.inbound.protection.outlook.com
mail-cpjpr05cu00207.inbound.protection.outlook.com
mail-db7pr03cu00503.inbound.protection.outlook.com
mail-dbapr03cu00105.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#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records   93ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:8d46 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::6815:36bd 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   117ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.54.189,172.67.141.70 ech=AEX+DQBBWAAgACDVhtVV0eaXNPOEeNasPDYDIFK0lhHGYdmtJIVHOlrTIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8d46,2606:4700:3033::6815:36bd

📝 TXT Records#

2 records   274ms
TXT Record
MS=ms61813998
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (kte-byg.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.kte-byg.dk)
p=reject v=DMARC1; p=reject; pct=100; rua=mailto:dmarc_agg@vali.email;

📬 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 04:02:56
www104.21.54.189 172.67.141.70 2606:4700:3030::ac43:8d46 2606:4700:3033::6815:36bd (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.kte-byg.dk 8eWiyeRMafU7lpdo_xbyzkKfXf1VfDDoDjqu0GyntUY
TXT _acme-challenge.kte-byg.dk DQG5n-9NLJFpB7Gq9E7zfMownD_SM2Qjwl20udEGscA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

156ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2415325453
Primary NS (MNAME)ada.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
116ms
A
121ms
MX
147ms
AAAA
93ms
TXT
274ms
CAA
99ms
HTTPS
117ms
TLSA
236ms
SOA
0ms
MTA-STS
151ms
DNSSEC
156ms
SRV
229ms
Total
1444ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 04:02:56 1121ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-23 11:36:21 1918ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-19 22:26:23 1889ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-19 20:45:00 shown 1444ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-12 18:19:40 1937ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-27 14:41:34 1742ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-04 04:25:11 9232ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-22 23:32:34 1407ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-17 09:24:29 1877ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-10 03:33:29 1303ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-26 14:05:30 1353ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-24 17:02:58 1034ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-22 22:17:10 1462ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-22 18:56:42 1059ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 01:37:52 2980ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-18 02:57:38 1120ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-18 02:52:55 990ms 2 NS 2 A 1 MX 🔒 Secure
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