`hko97.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a5f9^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:1017^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.23^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.165.249^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cortney.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c057^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cortney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2057^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cortney.ns.cloudflare.com`
		A	108.162.192.87^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	172.64.32.87^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	173.245.58.87^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
NS	`rodrigo.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c4e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rodrigo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rodrigo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rodrigo.ns.cloudflare.com`
		A	108.162.195.78^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rodrigo.ns.cloudflare.com`
		A	162.159.44.78^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rodrigo.ns.cloudflare.com`
		A	172.64.35.78^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rodrigo.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.23, 172.67.165.249
		IPv6 hints	2606:4700:3030::ac43:a5f9, 2606:4700:3033::6815:1017
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=63, name=cloudflare-ech.com
SOA	`cortney.ns.cloudflare.com`dns@cloudflare.com serial=2409781176

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-07-18 19:30:02 +0000 (EPOCH 1784403002)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-07-18 #39

rank #578278 globally
rank #19440 in the tld
WOT: SAFE (62/100)

Same first word

hko97.nl

DNS History

25 records (11 active, 14 former)

●NScortney.ns.cloudflare.com2026-05-21 → 2026-07-18 · 3 obs

○ 2017-05-17 10:34:56
● 2026-05-21 05:56:06
● 2026-07-18 20:21:00

○NSns1.hostnet.nl2017-05-17 → 2017-05-17 · 4 obs

○ 2016-11-02 05:15:42
● 2017-05-17 10:34:56
○ 2026-05-21 05:56:06
○ 2026-07-18 20:21:00

○NSns2.hostnetbv.com2017-05-17 → 2017-05-17 · 4 obs

○ 2016-11-02 05:15:42
● 2017-05-17 10:34:56
○ 2026-05-21 05:56:06
○ 2026-07-18 20:21:00

○NSns3.firstfind.nl2015-05-09 → 2016-11-02 · 4 obs

● 2015-05-09 11:42:32
● 2016-11-02 05:15:42
○ 2017-05-17 10:34:56
○ 2026-07-18 20:21:00

○NSns3.hostnetbv.nl2017-05-17 → 2017-05-17 · 4 obs

○ 2016-11-02 05:15:42
● 2017-05-17 10:34:56
○ 2026-05-21 05:56:06
○ 2026-07-18 20:21:00

○NSns4.firstfind.nl2015-05-09 → 2016-11-02 · 4 obs

● 2015-05-09 11:42:32
● 2016-11-02 05:15:42
○ 2017-05-17 10:34:56
○ 2026-07-18 20:21:00

○NSns5.firstfind.net2015-05-09 → 2016-11-02 · 4 obs

● 2015-05-09 11:42:32
● 2016-11-02 05:15:42
○ 2017-05-17 10:34:56
○ 2026-07-18 20:21:00

●NSrodrigo.ns.cloudflare.com2026-05-21 → 2026-07-18 · 3 obs

○ 2017-05-17 10:34:56
● 2026-05-21 05:56:06
● 2026-07-18 20:21:00

●MXeforward1.registrar-servers.com2026-05-21 → 2026-07-18 · 3 obs

○ 2017-05-17 10:34:56
● 2026-05-21 05:56:06
● 2026-07-18 20:21:00

●MXeforward2.registrar-servers.com2026-05-21 → 2026-07-18 · 3 obs

○ 2017-05-17 10:34:56
● 2026-05-21 05:56:06
● 2026-07-18 20:21:00

●MXeforward3.registrar-servers.com2026-05-21 → 2026-07-18 · 3 obs

○ 2017-05-17 10:34:56
● 2026-05-21 05:56:06
● 2026-07-18 20:21:00

●MXeforward4.registrar-servers.com2026-05-21 → 2026-07-18 · 3 obs

○ 2017-05-17 10:34:56
● 2026-05-21 05:56:06
● 2026-07-18 20:21:00

●MXeforward5.registrar-servers.com2026-05-21 → 2026-07-18 · 3 obs

○ 2017-05-17 10:34:56
● 2026-05-21 05:56:06
● 2026-07-18 20:21:00

○MXmx1.firstfind.nl2015-05-09 → 2016-11-02 · 4 obs

● 2015-05-09 11:42:32
● 2016-11-02 05:15:42
○ 2017-05-17 10:34:56
○ 2026-07-18 20:21:00

○MXmx2.firstfind.nl2015-05-09 → 2016-11-02 · 4 obs

● 2015-05-09 11:42:32
● 2016-11-02 05:15:42
○ 2017-05-17 10:34:56
○ 2026-07-18 20:21:00

○MXserver20.firstfind.nl2015-05-09 → 2016-11-02 · 4 obs

● 2015-05-09 11:42:32
● 2016-11-02 05:15:42
○ 2017-05-17 10:34:56
○ 2026-07-18 20:21:00

●A104.21.16.232026-05-21 → 2026-07-18 · 3 obs

○ 2017-05-17 10:34:56
● 2026-05-21 05:56:06
● 2026-07-18 20:21:00

●A172.67.165.2492026-05-21 → 2026-07-18 · 3 obs

○ 2017-05-17 10:34:56
● 2026-05-21 05:56:06
● 2026-07-18 20:21:00

●A2606:4700:3030::ac43:a5f92026-06-25 → 2026-07-18 · 3 obs

○ 2026-06-15 04:32:12
● 2026-06-25 15:21:30
● 2026-07-18 20:21:00

○A2606:4700:3031::6815:10172026-05-21 → 2026-06-15 · 5 obs

○ 2017-05-17 10:34:56
● 2026-05-21 05:56:06
● 2026-06-15 04:32:12
○ 2026-06-25 15:21:30
○ 2026-07-18 20:21:00

●A2606:4700:3033::6815:10172026-06-25 → 2026-07-18 · 3 obs

○ 2026-06-15 04:32:12
● 2026-06-25 15:21:30
● 2026-07-18 20:21:00

○A2606:4700:3037::ac43:a5f92026-05-21 → 2026-06-15 · 5 obs

○ 2017-05-17 10:34:56
● 2026-05-21 05:56:06
● 2026-06-15 04:32:12
○ 2026-06-25 15:21:30
○ 2026-07-18 20:21:00

○A37.128.144.2372017-05-17 → 2017-05-17 · 4 obs

○ 2016-11-02 05:15:42
● 2017-05-17 10:34:56
○ 2026-05-21 05:56:06
○ 2026-07-18 20:21:00

○A85.158.203.172015-10-10 → 2016-11-02 · 5 obs

○ 2015-05-09 11:42:32
● 2015-10-10 14:14:04
● 2016-11-02 05:15:42
○ 2017-05-17 10:34:56
○ 2026-07-18 20:21:00

○A85.158.203.182015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 11:42:32
○ 2015-10-10 14:14:04
○ 2026-07-18 20:21:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns4.dns.nl, ns3.dns.nl	-
hko97.nl	cortney.ns.cloudflare.com, rodrigo.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.87

NS records: cortney.ns.cloudflare.com, rodrigo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hko97.nl (unsigned zone)

⏱️ Timing

Total: 462ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.165.249, 104.21.16.23`
AAAA	2	`2606:4700:3033::6815:1017, 2606:4700:3030::ac43:a5f9`
NS	2	`cortney.ns.cloudflare.com, rodrigo.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cortney.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

hko97.nl points to the four IP addresses 104.21.16.23, 172.67.165.249, 2606:4700:3030::ac43:a5f9 and 2606:4700:3033::6815:1017.

Among the host names that share IP numbers with hko97.nl are api.pdfsearchhq.com, b.dukuchcm.org.vn, 930262.com and two others.

Name Servers

hko97.nl uses two name servers for its delegation: cortney.ns.cloudflare.com and rodrigo.ns.cloudflare.com.

hko97.nl has the same name server delegation as a number of other domains, such as ainchallenge.kz, hoangphucvietnam.com, kerncounty.us and two more.

There is at least partial name server overlap between hko97.nl and other domains — premiata-russia.ru, vectradigital.com, dgrunxing.com and two more among them.

These name servers are routinely deployed together with the name servers hazel.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname cortney.ns.cloudflare.com directs to 108.162.192.87, 172.64.32.87 and 173.245.58.87 along with 3 other IP addresses.

Hostname rodrigo.ns.cloudflare.com directs to 108.162.195.78, 162.159.44.78 and 172.64.35.78 along with 3 other IP addresses.

Mail Servers

hko97.nl has five mail servers, which are eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

hko97.nl shares at least some of its mail servers with other domains — for example thinkbowling.com, querics.net, ultrakidle.online and two more.

It is common for these mail servers to co-occur with eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com as mail servers.

Hosts that resolve to one IP address:

eforward1.registrar-servers.com has the IP address 162.255.118.51.

eforward2.registrar-servers.com has the IP address 162.255.118.52.

eforward3.registrar-servers.com has the IP address 162.255.118.51.

eforward4.registrar-servers.com has the IP address 162.255.118.52.

eforward5.registrar-servers.com has the IP address 162.255.118.51.

eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com all direct to 162.255.118.51.

Both eforward2.registrar-servers.com and eforward4.registrar-servers.com resolve to 162.255.118.52 IP addresses each.