`12flex.nl`

DNSSEC	⚠️ Not signed
A	2a03:3b00:1:0:700a:b7ff:fe10:169f^{🇳🇱 UPCLOUD2a03:3b00:1::/48 CLOUDPROVIDER}
		PTR	`ams103.yourwebhoster.com`
A	109.71.54.13^{🇳🇱 UPCLOUD109.71.54.0/24 CLOUDPROVIDER}
NS	`ns1.yourwebhoster.com` ⭐
		A	2001:8d8:fe:53:217:160:80:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
		A	217.160.80.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
NS	`ns2.yourwebhoster.com`
		A	2001:8d8:fe:53:217:160:81:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
		A	217.160.81.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
NS	`ns3.yourwebhoster.nl`
		A	2607:f1c0:fe:53:185:132:35:161^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ix2.ui-dns.org`
		A	185.132.35.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.org`
NS	`ns4.yourwebhoster.nl`
		A	2607:f1c0:fe:53:185:132:34:161^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ix2.ui-dns.com`
		A	185.132.34.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.com`
MX	`mx10.onlinemailscanner.com` ⭐
		A	2a03:3b00:1:0:700a:b7ff:fe10:2f2f^{🇳🇱 UPCLOUD2a03:3b00:1::/48 CLOUDPROVIDER}
			PTR	`amsmx01.yourwebhoster.com`
		A	2a03:3b00:1:0:700a:b7ff:fe10:7ab6^{🇳🇱 UPCLOUD2a03:3b00:1::/48 CLOUDPROVIDER}
			PTR	`amsmx02.yourwebhoster.com`
		A	109.71.54.176^{🇳🇱 UPCLOUD109.71.54.0/24 CLOUDPROVIDER}
			PTR	`amsmx02.yourwebhoster.com`
		A	109.71.54.177^{🇳🇱 UPCLOUD109.71.54.0/24 CLOUDPROVIDER}
			PTR	`amsmx01.yourwebhoster.com`
MX	`mx20.onlinemailscanner.com`⁽²⁰⁾
		A	2a03:3b00:1:0:700a:b7ff:fe10:7ab6^{🇳🇱 UPCLOUD2a03:3b00:1::/48 CLOUDPROVIDER}
			PTR	`amsmx02.yourwebhoster.com`
		A	109.71.54.176^{🇳🇱 UPCLOUD109.71.54.0/24 CLOUDPROVIDER}
			PTR	`amsmx02.yourwebhoster.com`
MX	`mx30.onlinemailscanner.com`⁽³⁰⁾
		A	2a03:3b00:c:1:700a:b7ff:fe10:3d56^{🇳🇱 UPCLOUDUSA-AS2a03:3b00:c::/48}
			PTR	`sjomx01.yourwebhoster.com`
		A	185.168.48.26^{🇳🇱 UPCLOUDUSA-AS185.168.48.0/24}
			PTR	`185.168.48.26.48.168.185.in-addr.arpa`
MX	`mx40.onlinemailscanner.com`⁽⁴⁰⁾
		A	2a03:3b00:1:0:700a:b7ff:fe10:2f2f^{🇳🇱 UPCLOUD2a03:3b00:1::/48 CLOUDPROVIDER}
			PTR	`amsmx01.yourwebhoster.com`
		A	109.71.54.177^{🇳🇱 UPCLOUD109.71.54.0/24 CLOUDPROVIDER}
			PTR	`amsmx01.yourwebhoster.com`
TXT	`v=spf1 ip4:109.71.54.13 ip4:109.71.51.116 +a +mx +ip4:5.157.80.168 +ip4:185.3...`
SOA	`ns1.yourwebhoster.com`support@xxlwebhosting.nl 2024-08-23 #2

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐ 🔒
	NS	`ns3.dns.nl` 🔒
	NS	`ns4.dns.nl` 🔒
	TXT	`nl zone update: 2026-03-15 06:00:02 +0000 (EPOCH 1773554402)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-03-15 #12

Same first word

12flex.nl

Similar names

flex21.com

DNS History

12 records (10 active, 2 former)

●NSns1.yourwebhoster.com2015-08-08 → 2026-03-23 · 2 obs

● 2015-08-08 15:27:06
● 2026-03-23 19:48:30

●NSns2.yourwebhoster.com2015-08-08 → 2026-03-23 · 2 obs

● 2015-08-08 15:27:06
● 2026-03-23 19:48:30

●NSns3.yourwebhoster.nl2015-08-08 → 2026-03-23 · 2 obs

● 2015-08-08 15:27:06
● 2026-03-23 19:48:30

●NSns4.yourwebhoster.nl2015-08-08 → 2026-03-23 · 2 obs

● 2015-08-08 15:27:06
● 2026-03-23 19:48:30

○MXcluster.onlinemailscanner.com2015-08-08 → 2015-12-03 · 4 obs

● 2015-08-08 15:27:06
● 2015-12-03 18:11:34
○ 2016-03-10 15:27:14
○ 2026-03-23 19:48:30

●MXmx10.onlinemailscanner.com2016-03-10 → 2026-03-23 · 3 obs

○ 2015-12-03 18:11:34
● 2016-03-10 15:27:14
● 2026-03-23 19:48:30

●MXmx20.onlinemailscanner.com2016-03-10 → 2026-03-23 · 3 obs

○ 2015-12-03 18:11:34
● 2016-03-10 15:27:14
● 2026-03-23 19:48:30

●MXmx30.onlinemailscanner.com2018-09-24 → 2026-03-23 · 3 obs

○ 2016-03-10 15:27:14
● 2018-09-24 21:04:54
● 2026-03-23 19:48:30

●MXmx40.onlinemailscanner.com2018-09-24 → 2026-03-23 · 3 obs

○ 2016-03-10 15:27:14
● 2018-09-24 21:04:54
● 2026-03-23 19:48:30

○A109.71.51.1162015-08-08 → 2018-09-24 · 4 obs

● 2015-08-08 15:27:06
● 2018-09-24 21:04:54
○ 2026-02-17 11:46:36
○ 2026-03-23 19:48:30

●A109.71.54.132026-02-17 → 2026-03-23 · 3 obs

○ 2018-09-24 21:04:54
● 2026-02-17 11:46:36
● 2026-03-23 19:48:30

●A2a03:3b00:1:0:700a:b7ff:fe10:169f2026-02-17 → 2026-03-23 · 3 obs

○ 2018-09-24 21:04:54
● 2026-02-17 11:46:36
● 2026-03-23 19:48:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
12flex.nl	ns1.yourwebhoster.com, ns2.yourwebhoster.com, ns3.yourwebhoster.nl, ns4.yourwebhoster.nl	4 records

✅ Authoritative Response

Server:185.132.34.161

NS records: ns1.yourwebhoster.com, ns2.yourwebhoster.com, ns3.yourwebhoster.nl, ns4.yourwebhoster.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 12flex.nl (unsigned zone)

⏱️ Timing

Total: 595ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.71.54.13`
AAAA	1	`2a03:3b00:1:0:700a:b7ff:fe10:169f`
NS	4	`ns1.yourwebhoster.com, ns4.yourwebhoster.nl...`
MX	4	`mx20.onlinemailscanner.com (pri: 20), mx10.onlinemailscanner.com (pri: 10)...`
TXT	1	`v=spf1 ip4:109.71.54.13 ip4:109.71.51.11`
SOA	1	`ns1.yourwebhoster.com support.xxlwebhost`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.yourwebhoster.nl, ns4.yourwebhoster.nl, ns3.yourwebhoster.nl...)

Analysis

IP Addresses

12flex.nl resolves to two IP numbers: 2a03:3b00:1:0:700a:b7ff:fe10:169f and 109.71.54.13.

Other host names, for instance cfbv.com, drlenkei.nl, ebookoverleaf.es, kimpijnenburg.nl and advanliempt.nl share IP numbers with 12flex.nl.

Name Servers

12flex.nl is delegated to four name servers: ns1.yourwebhoster.com, ns2.yourwebhoster.com, ns3.yourwebhoster.nl and ns4.yourwebhoster.nl.

12flex.nl shares some name servers with other domains, for example allwebned.nl, administratiekantoorhulpengemak.nl, citrine.nl, stabij-enwetterhoun.info and supersites.nl.

Host names with two IP numbers

Two IPs per host:

ns1.yourwebhoster.com points to 2001:8d8:fe:53:217:160:80:161 and 217.160.80.161

ns2.yourwebhoster.com points to 2001:8d8:fe:53:217:160:81:161 and 217.160.81.161

ns3.yourwebhoster.nl points to 2607:f1c0:fe:53:185:132:35:161 and 185.132.35.161

ns4.yourwebhoster.nl points to 2607:f1c0:fe:53:185:132:34:161 and 185.132.34.161

Mail Servers

12flex.nl is handled by four mail servers: mx10.onlinemailscanner.com, mx20.onlinemailscanner.com, mx30.onlinemailscanner.com and mx40.onlinemailscanner.com.

12flex.nl shares some mail servers with other domains, at least partially; for instance eco-therm.in, laier.nl, rederijvooruit.nl, digistudio.nl and foodzilla.se.