`f73.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d390^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4317^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.23^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.144^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lisa.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c083^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lisa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2083^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lisa.ns.cloudflare.com`
		A	108.162.192.131^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	172.64.32.131^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	173.245.58.131^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
NS	`sid.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sid.ns.cloudflare.com`
		A	108.162.193.143^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	172.64.33.143^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	173.245.59.143^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
MX	`f73-nl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`MS=ms97734463`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.23, 172.67.211.144
		IPv6 hints	2606:4700:3033::ac43:d390, 2606:4700:3035::6815:4317
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com
SOA	`lisa.ns.cloudflare.com`dns@cloudflare.com serial=2409457573

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-07-29 04:00:02 +0000 (EPOCH 1785297602)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-07-29 #8

Same first word

f73.xyz

f73.nl

Similar names

73f.de

73f.me

73f.com

f37.net

37f.mobi

37f.net

f37.in

37f.com

f37.com

3f7.com

f37.ru

DNS History

18 records (7 active, 11 former)

●NSlisa.ns.cloudflare.com2026-04-07 → 2026-07-29 · 3 obs

○ 2017-03-14 18:54:34
● 2026-04-07 20:37:36
● 2026-07-29 04:53:02

○NSns0.transip.net2015-08-10 → 2016-06-30 · 4 obs

● 2015-08-10 16:25:58
● 2016-06-30 09:17:08
○ 2017-03-14 18:54:34
○ 2026-07-29 04:53:02

○NSns0.transip.nl2017-03-14 → 2017-03-14 · 4 obs

○ 2016-06-30 09:17:08
● 2017-03-14 18:54:34
○ 2026-04-07 20:37:36
○ 2026-07-29 04:53:02

○NSns1.transip.net2017-03-14 → 2017-03-14 · 4 obs

○ 2016-06-30 09:17:08
● 2017-03-14 18:54:34
○ 2026-04-07 20:37:36
○ 2026-07-29 04:53:02

○NSns1.transip.nl2015-08-10 → 2016-06-30 · 4 obs

● 2015-08-10 16:25:58
● 2016-06-30 09:17:08
○ 2017-03-14 18:54:34
○ 2026-07-29 04:53:02

○NSns2.transip.eu2015-08-10 → 2017-03-14 · 4 obs

● 2015-08-10 16:25:58
● 2017-03-14 18:54:34
○ 2026-04-07 20:37:36
○ 2026-07-29 04:53:02

●NSsid.ns.cloudflare.com2026-04-07 → 2026-07-29 · 3 obs

○ 2017-03-14 18:54:34
● 2026-04-07 20:37:36
● 2026-07-29 04:53:02

●MXf73-nl.mail.protection.outlook.com2017-03-14 → 2026-07-29 · 3 obs

○ 2016-06-30 09:17:08
● 2017-03-14 18:54:34
● 2026-07-29 04:53:02

○MXmail.f73.nl2015-08-10 → 2016-06-30 · 4 obs

● 2015-08-10 16:25:58
● 2016-06-30 09:17:08
○ 2017-03-14 18:54:34
○ 2026-07-29 04:53:02

○MXrelay.transip.nl2015-08-10 → 2016-06-30 · 4 obs

● 2015-08-10 16:25:58
● 2016-06-30 09:17:08
○ 2017-03-14 18:54:34
○ 2026-07-29 04:53:02

●A104.21.67.232026-04-07 → 2026-07-29 · 3 obs

○ 2017-03-14 18:54:34
● 2026-04-07 20:37:36
● 2026-07-29 04:53:02

●A172.67.211.1442026-04-07 → 2026-07-29 · 3 obs

○ 2017-03-14 18:54:34
● 2026-04-07 20:37:36
● 2026-07-29 04:53:02

○A188.40.106.682015-08-10 → 2016-06-30 · 4 obs

● 2015-08-10 16:25:58
● 2016-06-30 09:17:08
○ 2017-03-14 18:54:34
○ 2026-07-29 04:53:02

○A2606:4700:3030::ac43:d3902026-04-07 → 2026-06-09 · 5 obs

○ 2017-03-14 18:54:34
● 2026-04-07 20:37:36
● 2026-06-09 17:22:22
○ 2026-07-02 18:10:26
○ 2026-07-29 04:53:02

○A2606:4700:3033::6815:43172026-04-07 → 2026-06-09 · 5 obs

○ 2017-03-14 18:54:34
● 2026-04-07 20:37:36
● 2026-06-09 17:22:22
○ 2026-07-02 18:10:26
○ 2026-07-29 04:53:02

●A2606:4700:3033::ac43:d3902026-07-02 → 2026-07-29 · 3 obs

○ 2026-06-09 17:22:22
● 2026-07-02 18:10:26
● 2026-07-29 04:53:02

●A2606:4700:3035::6815:43172026-07-02 → 2026-07-29 · 3 obs

○ 2026-06-09 17:22:22
● 2026-07-02 18:10:26
● 2026-07-29 04:53:02

○A2a01:4f8:100:8225::22015-08-10 → 2016-06-30 · 4 obs

● 2015-08-10 16:25:58
● 2016-06-30 09:17:08
○ 2017-03-14 18:54:34
○ 2026-07-29 04:53:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
f73.nl	sid.ns.cloudflare.com, lisa.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.131

NS records: sid.ns.cloudflare.com, lisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f73.nl (unsigned zone)

⏱️ Timing

Total: 475ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.211.144, 104.21.67.23`
AAAA	2	`2606:4700:3033::ac43:d390, 2606:4700:3035::6815:4317`
NS	2	`lisa.ns.cloudflare.com, sid.ns.cloudflare.com`
MX	1	`f73-nl.mail.protection.outlook.com (pri:`
TXT	2	`MS=ms97734463, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lisa.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

f73.nl directs to four IP numbers, which are 104.21.67.23, 172.67.211.144, 2606:4700:3033::ac43:d390 and 2606:4700:3035::6815:4317.

emotiontechstudios.com, www.nusfoc.tattoo, mcleodchoicepharmacy.org and two other host names share IP numbers with f73.nl.

Name Servers

Two name servers handle the delegation for f73.nl: lisa.ns.cloudflare.com and sid.ns.cloudflare.com.

f73.nl uses the same name servers as several other domains — among them thalassa-parking.gr, preferred-promotions.com, commentstrack.net and two more.

At least some of f73.nl's name servers are shared with other domains, for example uu88tm.com, topfmradio.com, photocash.ru and two more.

These name servers tend to be used in conjunction with the name servers ken.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

lisa.ns.cloudflare.com resolves to 108.162.192.131, 172.64.32.131 and 173.245.58.131 among others, with 3 other IP addresses in total.

sid.ns.cloudflare.com resolves to 108.162.193.143, 172.64.33.143 and 173.245.59.143 among others, with 3 other IP addresses in total.

Mail Servers

Mail for f73.nl is handled by a single mail server, f73-nl.mail.protection.outlook.com.

f73-nl.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.0, 52.101.68.16, 52.101.68.21 and 5 others.

f73.nl - robtex.com

f73.nl

nl

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`f73.nl`

`nl`