techchapter.dk
Last scanned: 2026-08-27 06:47:03  ·  3527ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   48ms
NameserverIP addressesPTRASN / ISP
ns-1242.awsdns-27.org 205.251.196.218
2600:9000:5304:da00::1		 ns-1242.awsdns-27.org
ns-1242.awsdns-27.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1726.awsdns-23.co.uk 205.251.198.190
2600:9000:5306:be00::1		 ns-1726.awsdns-23.co.uk
ns-1726.awsdns-23.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-215.awsdns-26.com 205.251.192.215
2600:9000:5300:d700::1		 ns-215.awsdns-26.com
ns-215.awsdns-26.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-824.awsdns-39.net 205.251.195.56
2600:9000:5303:3800::1		 ns-824.awsdns-39.net
ns-824.awsdns-39.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records4 records   59ms
IPTTLPTRASNISP / OrgCIDRCountryCity
18.173.5.14 60s server-18-173-5-14.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 18.173.0.0/21 🇺🇸 United States —
18.173.5.15 60s server-18-173-5-15.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 18.173.0.0/21 🇺🇸 United States —
18.173.5.85 60s server-18-173-5-85.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 18.173.0.0/21 🇺🇸 United States —
18.173.5.9 60s server-18-173-5-9.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   272ms
TXT Record
v=spf1 ~all
✉️ SPF
PolicyRecord (techchapter.dk)
~all (soft fail) v=spf1 ~all
📨 DMARC
PolicyRecord (_dmarc.techchapter.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)
🔐 DNSSEC95ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial1
Primary NS (MNAME)ns-215.awsdns-26.com
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
48ms
A
59ms
MX
59ms
AAAA
50ms
TXT
272ms
CAA
57ms
HTTPS
46ms
TLSA
101ms
SOA
0ms
MTA-STS
91ms
DNSSEC
95ms
SRV
106ms
Total
3527ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 06:47:03 3527ms 4 NS 4 A 0 MX 🔒 Secure View
2026-07-03 01:16:53 12321ms 4 NS 4 A 0 MX 🔒 Secure View
2026-06-17 14:33:41 1880ms 4 NS 4 A 0 MX 🔒 Secure View
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