tech-chapter.dk
Last scanned: 2026-06-29 03:38:29  ·  878ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   66ms
NameserverIP addressesPTRASN / ISP
ns-1169.awsdns-18.org 205.251.196.145
2600:9000:5304:9100::1		 ns-1169.awsdns-18.org
ns-1169.awsdns-18.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1905.awsdns-46.co.uk 205.251.199.113
2600:9000:5307:7100::1		 ns-1905.awsdns-46.co.uk
ns-1905.awsdns-46.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-312.awsdns-39.com 205.251.193.56
2600:9000:5301:3800::1		 ns-312.awsdns-39.com
ns-312.awsdns-39.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-977.awsdns-58.net 205.251.195.209
2600:9000:5303:d100::1		 ns-977.awsdns-58.net
ns-977.awsdns-58.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records4 records   67ms
IPTTLPTRASNISP / OrgCIDRCountryCity
18.173.5.112 60s server-18-173-5-112.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 18.173.0.0/21 🇺🇸 United States —
18.173.5.47 60s server-18-173-5-47.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 18.173.0.0/21 🇺🇸 United States —
18.173.5.55 60s server-18-173-5-55.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 18.173.0.0/21 🇺🇸 United States —
18.173.5.88 60s server-18-173-5-88.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 18.173.0.0/21 🇺🇸 United States —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   250ms
TXT Record
v=spf1 ~all
✉️ SPF
PolicyRecord (tech-chapter.dk)
~all (soft fail) v=spf1 ~all
📨 DMARC
PolicyRecord (_dmarc.tech-chapter.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:postmaster@techchapter.com;
📬 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)
🔐 DNSSEC78ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA29ms
FieldValue
Serial1
Primary NS (MNAME)ns-1905.awsdns-46.co.uk
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
66ms
A
67ms
MX
42ms
AAAA
53ms
TXT
250ms
CAA
58ms
HTTPS
41ms
TLSA
81ms
SOA
29ms
MTA-STS
58ms
DNSSEC
78ms
SRV
89ms
Total
878ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-29 03:38:29 878ms 4 NS 4 A 0 MX 🔒 Secure View
2026-06-27 04:24:57 844ms 4 NS 4 A 0 MX 🔒 Secure View
2026-06-20 23:41:20 1949ms 4 NS 4 A 0 MX 🔒 Secure View
2026-06-20 20:09:42 1116ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 10:45:26 1032ms 4 NS 4 A 0 MX 🔒 Secure View
2026-06-17 23:28:17 3289ms 4 NS 4 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone