masterflex.dk DNS records

🖥️ Nameservers10 records 402ms

Nameserver	IP addresses	PTR	ASN / 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	—	AS17378 TierPoint, LLC
ns11.vwr.com	10.53.19.194	—	—
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.
ns5.vwr.com	10.20.0.235	—	—

🌍 A Records1 records 137ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 24667ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (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)

🔐 DNSSEC217ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	21
Primary NS (MNAME)	ns11.vwr.com
Responsible (RNAME)	postmaster@vwr.com
Refresh	14400s
Retry	3600s
Expire	2592000s
Minimum (neg-cache TTL)	60s

📋 RegistrationWHOIS fetched 2026-08-17 00:38:00

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2020-09-12
Expires	2026-09-30 (26d)

📋 WHOIS

⏱️ Lookup Timing

NS

402ms

A

137ms

MX

141ms

AAAA

157ms

TXT

24667ms

CAA

155ms

HTTPS

149ms

TLSA

1612ms

SOA

0ms

MTA-STS

242ms

DNSSEC

217ms

SRV

613ms

Total

34826ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
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