ktebyg.dk DNS records

🖥️ Nameservers2 records 62ms

Nameserver	IP addresses	PTR	ASN / 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 Records2 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.12.160	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.195.34	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ktebyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::7 2a01:111:f403:ca09::8 2a01:111:f403:ca48::c 52.101.68.10 52.101.68.5 52.101.73.22 52.101.73.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8

🔷 AAAA Records (IPv6)2 records 74ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:ca0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:c322	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 55ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.12.160,172.67.195.34 ech=AEX+DQBBcwAgACCn/m3LD6MOliaQPm+jB7t8exP6qD3dVyt6ZDX1MabXdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:ca0,2606:4700:3035::ac43:c322

🔌 SRV Records1 records 116ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records7 records 270ms

TXT Record
_rc6gvisjgos2oqupw5oyc5kodlua8b4
64z9wd963qq6h8dmh8fzql6ccg80tb5s
a75cor9pkf60eh6pb9as1669jb
autodesk-domain-verification=lexg6jyWVUkTr6X2YUUP
brevo-code:17b13c43a1f87b3883fb9b91f63e53fb
MS=ms71995429
v=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ktebyg.dk)
-all (hard fail)	v=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.ktebyg.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:ba30210a81044230a67832541b4f7628@dmarc-reports.cloudflare.net,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

🔗 TLSA / DANE

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

🔐 DNSSEC121ms

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

🏷️ SOA0ms

Field	Value
Serial	2413251848
Primary NS (MNAME)	ada.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

54ms

MX

67ms

AAAA

74ms

TXT

270ms

CAA

60ms

HTTPS

55ms

TLSA

361ms

SOA

0ms

MTA-STS

101ms

DNSSEC

121ms

SRV

116ms

Total

1287ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 05:58:15	1287ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-27 11:18:10	729ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-09 01:57:19	2120ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-07 08:54:47	1478ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-27 00:58:06	2212ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-10 00:23:59	2148ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 02:04:30	3048ms	2 NS 2 A 1 MX	🔒 Secure	View