masterflex.dk
📜 Historical scan 2026-08-08 07:47:04  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers8 records   158ms
NameserverIP addressesPTRASN / ISP
b23.ns.els-gms.att.net 199.191.128.105
2001:1890:1ff:3::23		 b23.ns.els-gms.att.net
—		 AS7018 AT&T Enterprises, LLC
AS7018 AT&T Enterprises, LLC
dbru.br.ns.els-gms.att.net 2001:1890:1ff:9f0:68:94:156:134
68.94.156.134		 dbru.br.ns.els-gms.att.net
dbru.br.ns.els-gms.att.net		 AS7018 AT&T Enterprises, LLC
AS7018 AT&T Enterprises, LLC
dmtu.mt.ns.els-gms.att.net 2001:1890:1ff:9f1:99:99:99:134
99.99.99.134		 dmtu.mt.ns.els-gms.att.net
dmtu.mt.ns.els-gms.att.net		 AS7018 AT&T Enterprises, LLC
AS7018 AT&T Enterprises, LLC
m23.ns.els-gms.att.net 12.127.16.69
2001:1890:1ff:10::23		 m23.ns.els-gms.att.net
—		 AS7018 AT&T Enterprises, LLC
AS7018 AT&T Enterprises, LLC
ns10.vwr.com 67.216.79.22 user-67-216-79-22.dbsintl.com AS17378 TierPoint, LLC
ns12.vwr.com — — —
ns15.vwr.com 3.41.135.53 ec2-3-41-135-53.compute-1.amazonaws.com AS14618 Amazon.com, Inc.
ns18.vwr.com 18.158.101.254 ec2-18-158-101-254.eu-central-1.compute.amazonaws.com AS16509 Amazon.com, Inc.
🌍 A Records1 records   286ms
IPTTLPTRASNISP / OrgCIDRCountryCity
67.216.70.69 180s user-67-216-70-69.dbsintl.com AS17378 TierPoint, LLC 67.216.64.0/20 🇺🇸 United States Norristown
📧 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   1047ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (masterflex.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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)
🔐 DNSSEC2071ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial19
Primary NS (MNAME)ns5.vwr.com
Responsible (RNAME)postmaster@vwr.com
Refresh14400s
Retry3600s
Expire2592000s
Minimum (neg-cache TTL)60s
📋 RegistrationWHOIS fetched 2026-08-17 00:38:00
FieldValue
RegistrarCSC Digital Brand Service, Inc
Registered2020-09-12
Expires2026-09-30 (26d)
📋 WHOIS
⏱️ Lookup Timing
NS
158ms
A
286ms
MX
145ms
AAAA
149ms
TXT
1047ms
CAA
267ms
HTTPS
159ms
TLSA
494ms
SOA
0ms
MTA-STS
4056ms
DNSSEC
2071ms
SRV
4057ms
Total
10890ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-17 00:29:48 14590ms 9 NS 1 A 0 MX 🔓 Insecure View
2026-08-13 16:12:33 45227ms 9 NS 1 A 0 MX 🔓 Insecure View
2026-08-10 03:52:04 34826ms 10 NS 1 A 0 MX 🔓 Insecure View
2026-08-08 07:47:04 10890ms 8 NS 1 A 0 MX 🔓 Insecure View
2026-08-06 09:11:06 6175ms 7 NS 1 A 0 MX 🔓 Insecure View
2026-07-22 12:10:29 10936ms 7 NS 1 A 0 MX 🔓 Insecure View
2026-06-27 19:22:28 10154ms 7 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 16:21:39 8524ms 7 NS 1 A 0 MX 🔓 Insecure View
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