`voipforward.nl`

DNSSEC	⚠️ Not signed
NS	`nsauth1.o4s.nl` ⭐
		A	91.208.229.6^{🇳🇱 EQUINIX-NL-ASN91.208.229.0/24}
			PTR	`nsauth1.truezuid.nl`
NS	`nsauth1.truezuid.nl`
		A	91.208.229.6^{🇳🇱 EQUINIX-NL-ASN91.208.229.0/24}
			PTR	`nsauth1.truezuid.nl`
NS	`nsauth2.truezuid.nl`
		A	91.208.229.72^{🇳🇱 EQUINIX-NL-ASN91.208.229.0/24}
			PTR	`nsauth2.truezuid.nl`
NS	`nsauth3.truezuid.nl`
		A	91.208.229.22^{🇳🇱 EQUINIX-NL-ASN91.208.229.0/24}
			PTR	`sms.o4s.nl`
MX	`mx1.antispam.o4scloud.com` ⭐
		A	2001:978:2:6::f:124^{🇩🇪 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe3-r3-in.du01.l.antispamcloud.com`
		A	154.59.193.124^{🇩🇪 AS16633154.59.193.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe3-r3-in.du01.l.antispamcloud.com`
MX	`mx2.antispam.o4scloud.com`⁽²⁰⁾
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
MX	`mx3.antispam.o4scloud.com`⁽³⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
MX	`mx4.antispam.o4scloud.com`⁽⁴⁰⁾
		A	2001:978:2:6::f:124^{🇩🇪 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe3-r3-in.du01.l.antispamcloud.com`
		A	154.59.193.124^{🇩🇪 AS16633154.59.193.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe3-r3-in.du01.l.antispamcloud.com`
TXT	`_3vkil5y4b07gt6guhe3lv5n963bhaiy`
TXT	`v=spf1 include:spf.truezuid.nl ~all`
TXT	`djmswlx936rcrnwpsg02y5370s13dn1f`
SOA	`nsauth1.o4s.nl`hostmaster@o4s.nl 2025-10-02 #1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-03-27 23:30:02 +0000 (EPOCH 1774654202)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-03-27 #47

Subdomains

fax.voipforward.nl

centrale1.voipforward.nl

Same first word

voipforward.nl

DNS History

13 records (8 active, 5 former)

○NSns0.o4s.nl2015-06-24 → 2018-07-11 · 6 obs

● 2015-06-24 20:29:46
● 2016-04-14 17:11:32
○ 2017-02-06 08:41:28
● 2018-07-11 20:16:22
○ 2026-03-10 11:40:20
○ 2026-03-28 00:20:30

○NSns1.o4s.nl2015-06-24 → 2016-04-14 · 4 obs

● 2015-06-24 20:29:46
● 2016-04-14 17:11:32
○ 2017-02-06 08:41:28
○ 2026-03-28 00:20:30

●NSnsauth1.o4s.nl2017-02-06 → 2026-03-28 · 3 obs

○ 2016-04-14 17:11:32
● 2017-02-06 08:41:28
● 2026-03-28 00:20:30

●NSnsauth1.truezuid.nl2026-03-10 → 2026-03-28 · 3 obs

○ 2018-07-11 20:16:22
● 2026-03-10 11:40:20
● 2026-03-28 00:20:30

○NSnsauth2.o4s.nl2017-02-06 → 2017-02-06 · 4 obs

○ 2016-04-14 17:11:32
● 2017-02-06 08:41:28
○ 2018-07-11 20:16:22
○ 2026-03-28 00:20:30

●NSnsauth2.truezuid.nl2018-07-11 → 2026-03-28 · 3 obs

○ 2017-02-06 08:41:28
● 2018-07-11 20:16:22
● 2026-03-28 00:20:30

○NSnsauth3.o4s.nl2017-02-06 → 2017-02-06 · 4 obs

○ 2016-04-14 17:11:32
● 2017-02-06 08:41:28
○ 2018-07-11 20:16:22
○ 2026-03-28 00:20:30

●NSnsauth3.truezuid.nl2018-07-11 → 2026-03-28 · 3 obs

○ 2017-02-06 08:41:28
● 2018-07-11 20:16:22
● 2026-03-28 00:20:30

○MXmail.o4s.nl2015-06-24 → 2016-04-14 · 4 obs

● 2015-06-24 20:29:46
● 2016-04-14 17:11:32
○ 2017-02-06 08:41:28
○ 2026-03-28 00:20:30

●MXmx1.antispam.o4scloud.com2017-02-06 → 2026-03-28 · 3 obs

○ 2016-04-14 17:11:32
● 2017-02-06 08:41:28
● 2026-03-28 00:20:30

●MXmx2.antispam.o4scloud.com2017-02-06 → 2026-03-28 · 3 obs

○ 2016-04-14 17:11:32
● 2017-02-06 08:41:28
● 2026-03-28 00:20:30

●MXmx3.antispam.o4scloud.com2017-02-06 → 2026-03-28 · 3 obs

○ 2016-04-14 17:11:32
● 2017-02-06 08:41:28
● 2026-03-28 00:20:30

●MXmx4.antispam.o4scloud.com2017-02-06 → 2026-03-28 · 3 obs

○ 2016-04-14 17:11:32
● 2017-02-06 08:41:28
● 2026-03-28 00:20:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
voipforward.nl	nsauth1.truezuid.nl, nsauth2.truezuid.nl, nsauth3.truezuid.nl	-

✅ Authoritative Response

Server:91.208.229.6

NS records: nsauth1.truezuid.nl, nsauth2.truezuid.nl, nsauth3.truezuid.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for voipforward.nl (unsigned zone)

⏱️ Timing

Total: 2853ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`nsauth1.truezuid.nl, nsauth2.truezuid.nl...`
MX	4	`mx2.antispam.o4scloud.com (pri: 20), mx3.antispam.o4scloud.com (pri: 30)...`
TXT	3	`_3vkil5y4b07gt6guhe3lv5n963bhaiy, v=spf1 include:spf.truezuid.nl ~all...`
SOA	1	`nsauth1.o4s.nl hostmaster.o4s.nl`

Analysis

Hierarchy

voipforward.nl is parent of fax.voipforward.nl and centrale1.voipforward.nl.

Name Servers

voipforward.nl is delegated to four name servers: nsauth1.o4s.nl, nsauth1.truezuid.nl, nsauth2.truezuid.nl and nsauth3.truezuid.nl.

voipforward.nl at least partially shares name servers with other domains, for instance ieap.eu, 187.234.195.in-addr.arpa, limbourg.eu, eipa.net and euregiohr.com.