`holtrop.net`

DNSSEC	⚠️ Not signed
A	2607:f1c0:100f:f000::200^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	74.208.236.165^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1062.ui-dns.com` ⭐
		A	2607:f1c0:fe:53:185:132:34:62^{🇺🇸 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	`ns1062.ui-dns.com`
		A	185.132.34.62^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1062.ui-dns.com`
NS	`ns1062.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:62^{🇺🇸 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	`ns1062.ui-dns.biz`
		A	185.132.33.62^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1062.ui-dns.biz`
NS	`ns1062.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:62^{🇺🇸 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	`ns1062.ui-dns.de`
		A	185.132.32.62^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1062.ui-dns.de`
NS	`ns1062.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:62^{🇺🇸 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	`ns1062.ui-dns.org`
		A	185.132.35.62^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1062.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.114.65^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.114.66^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1062.ui-dns.com`hostmaster@1and1.com 2017-07-24 #45

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786278474

Same first word

holtrop.net

holtrop.com

holtrop.de

holtrop.eu

holtrop.co.uk

holtrop.nl

Similar names

holport.com

lportho.com

lothrop.org

photorl.eu

throopl.com

lrphoto.cn

holtorp.net

lrphoto.ca

holtorp.com

plortho.com

rlphoto.me

orthpol.be

lothrop.de

rlphoto.ca

polthor.com

rlphoto.com

photolr.it

porthol.com

holtpro.com

lothrop.com

lrphoto.com

lothrop.net

holport.cz

lrphoto.de

DNS History

20 records (8 active, 12 former)

○NSns-us.1and1-dns.com2015-11-02 → 2016-11-09 · 4 obs

● 2015-11-02 03:26:02
● 2016-11-09 07:19:24
○ 2017-11-23 19:40:00
○ 2026-08-09 12:58:20

○NSns-us.1and1-dns.de2015-11-02 → 2016-11-09 · 4 obs

● 2015-11-02 03:26:02
● 2016-11-09 07:19:24
○ 2017-11-23 19:40:00
○ 2026-08-09 12:58:20

○NSns-us.1and1-dns.org2015-11-02 → 2016-11-09 · 4 obs

● 2015-11-02 03:26:02
● 2016-11-09 07:19:24
○ 2017-11-23 19:40:00
○ 2026-08-09 12:58:20

○NSns-us.1and1-dns.us2015-11-02 → 2016-11-09 · 4 obs

● 2015-11-02 03:26:02
● 2016-11-09 07:19:24
○ 2017-11-23 19:40:00
○ 2026-08-09 12:58:20

●NSns1062.ui-dns.biz2017-11-23 → 2026-08-09 · 3 obs

○ 2016-11-09 07:19:24
● 2017-11-23 19:40:00
● 2026-08-09 12:58:20

●NSns1062.ui-dns.com2017-11-23 → 2026-08-09 · 3 obs

○ 2016-11-09 07:19:24
● 2017-11-23 19:40:00
● 2026-08-09 12:58:20

●NSns1062.ui-dns.de2017-11-23 → 2026-08-09 · 3 obs

○ 2016-11-09 07:19:24
● 2017-11-23 19:40:00
● 2026-08-09 12:58:20

●NSns1062.ui-dns.org2017-11-23 → 2026-08-09 · 3 obs

○ 2016-11-09 07:19:24
● 2017-11-23 19:40:00
● 2026-08-09 12:58:20

○MXmx00.1and1.com2015-11-02 → 2017-11-23 · 4 obs

● 2015-11-02 03:26:02
● 2017-11-23 19:40:00
○ 2026-06-22 20:56:40
○ 2026-08-09 12:58:20

●MXmx00.ionos.com2026-06-22 → 2026-08-09 · 3 obs

○ 2017-11-23 19:40:00
● 2026-06-22 20:56:40
● 2026-08-09 12:58:20

○MXmx01.1and1.com2015-11-02 → 2017-11-23 · 4 obs

● 2015-11-02 03:26:02
● 2017-11-23 19:40:00
○ 2026-06-22 20:56:40
○ 2026-08-09 12:58:20

●MXmx01.ionos.com2026-06-22 → 2026-08-09 · 3 obs

○ 2017-11-23 19:40:00
● 2026-06-22 20:56:40
● 2026-08-09 12:58:20

○A216.250.120.2092016-11-09 → 2016-11-09 · 4 obs

○ 2016-01-20 17:45:36
● 2016-11-09 07:19:24
○ 2017-11-23 19:40:00
○ 2026-08-09 12:58:20

○A2607:f1c0:1000:30a1:3e33:b6b3:4caf:d80d2016-11-09 → 2016-11-09 · 4 obs

○ 2016-01-20 17:45:36
● 2016-11-09 07:19:24
○ 2017-11-23 19:40:00
○ 2026-08-09 12:58:20

○A2607:f1c0:1000:30a1:ba21:fa3b:2e98:581c2015-11-02 → 2016-01-20 · 4 obs

● 2015-11-02 03:26:02
● 2016-01-20 17:45:36
○ 2016-11-09 07:19:24
○ 2026-08-09 12:58:20

●A2607:f1c0:100f:f000::2002026-06-22 → 2026-08-09 · 3 obs

○ 2017-11-23 19:40:00
● 2026-06-22 20:56:40
● 2026-08-09 12:58:20

○A2607:f1c0:100f:f000::2672017-11-23 → 2017-11-23 · 4 obs

○ 2016-11-09 07:19:24
● 2017-11-23 19:40:00
○ 2026-06-22 20:56:40
○ 2026-08-09 12:58:20

○A74.208.175.2332015-11-02 → 2016-01-20 · 4 obs

● 2015-11-02 03:26:02
● 2016-01-20 17:45:36
○ 2016-11-09 07:19:24
○ 2026-08-09 12:58:20

○A74.208.236.1482017-11-23 → 2017-11-23 · 4 obs

○ 2016-11-09 07:19:24
● 2017-11-23 19:40:00
○ 2026-06-22 20:56:40
○ 2026-08-09 12:58:20

●A74.208.236.1652026-06-22 → 2026-08-09 · 3 obs

○ 2017-11-23 19:40:00
● 2026-06-22 20:56:40
● 2026-08-09 12:58:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	k.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...	-
holtrop.net	ns1062.ui-dns.de, ns1062.ui-dns.biz, ns1062.ui-dns.org, ns1062.ui-dns.com	-

✅ Authoritative Response

Server:185.132.32.62

NS records: ns1062.ui-dns.de, ns1062.ui-dns.biz, ns1062.ui-dns.org, ns1062.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for holtrop.net (unsigned zone)

⏱️ Timing

Total: 406ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.165`
AAAA	1	`2607:f1c0:100f:f000::200`
NS	4	`ns1062.ui-dns.biz, ns1062.ui-dns.de...`
MX	2	`mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1062.ui-dns.com hostmaster.1and1.com`

Analysis

IP Addresses

holtrop.net points to the IP addresses 74.208.236.165 and 2607:f1c0:100f:f000::200

Among the host names that share IP numbers with holtrop.net are autonomiss.com, creativebynatureart.com, awc.online and two others.

Name Servers

The domain holtrop.net is delegated to these four name servers: ns1062.ui-dns.biz, ns1062.ui-dns.com, ns1062.ui-dns.de and ns1062.ui-dns.org.

At least some of holtrop.net's name servers are shared with other domains, for example kayan.com, fouche.com, openpu.com and two more.

These name servers tend to co-occur with ns1108.ui-dns.com, ns1017.ui-dns.biz, ns1120.ui-dns.de and 3 other name servers in the same DNS delegations.

Four hostnames, each resolving to a pair of IP addresses: ns1062.ui-dns.biz directs to 185.132.33.62 and 2607:f1c0:fe:53:185:132:33:62; ns1062.ui-dns.com directs to 185.132.34.62 and 2607:f1c0:fe:53:185:132:34:62; ns1062.ui-dns.de directs to 185.132.32.62 and 2607:f1c0:fe:53:185:132:32:62; ns1062.ui-dns.org directs to 185.132.35.62 and 2607:f1c0:fe:53:185:132:35:62.

Mail Servers

The MX records for holtrop.net point to two mail servers: mx00.ionos.com and mx01.ionos.com.

holtrop.net has the same mail server arrangement as a number of other domains, for example anamjo.com, simetre.com, cent2sat.com and two more.

Each of mx00.ionos.com and mx01.ionos.com has one IP address: mx00.ionos.com uses 74.208.114.65 and mx01.ionos.com uses 74.208.114.66.

holtrop.net - robtex.com

holtrop.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`holtrop.net`

`net`