`bulsink.com`

DNSSEC	⚠️ Not signed
A	2a0b:3100:20::c9^{🇳🇱 NL-BIT2a0b:3100::/40 Rootnet Managed Servers BIT-2}
		PTR	`modest-pony.sys.rootnet.io`
A	185.173.21.138^{🇳🇱 NL-BIT185.173.20.0/22}
NS	`ns1.sectigoweb.com` ⭐
		A	2620:111:8004::53^{🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation}
		A	199.247.152.53^{🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation}
NS	`ns2.sectigoweb.com`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.sectigoweb.com`
		A	2620:111:8006::53^{🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation}
		A	199.247.154.53^{🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation}
NS	`ns4.sectigoweb.com`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
MX	`mx.spamexperts.com` ⭐
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
MX	`fallbackmx.spamexperts.eu`⁽²⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
MX	`lastmx.spamexperts.net`⁽³⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	2001:978:2:7::162:100^{🇩🇪 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe1-r3-in.fra02.l.antispamcloud.com`
		A	2001:978:2:2c::137:100^{🇳🇱 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe2-r3-in.ams14.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
		A	149.13.75.27^{🇩🇪 AS16633149.13.75.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe1-r3-in.fra02.l.antispamcloud.com`
		A	154.59.104.23^{🇳🇱 COGENT154.59.104.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
TXT	`MS=ms39629703`
TXT	`google-site-verification=mpRlap0ztSrAjlMJE7Vb(0x787858)o4-6pLmVMZGM1zeI_5g4`
TXT	`v=spf1 a mx ip4:217.67.233.250 include:spf.protection.outlook.com include:spf...`
TXT	`nordpass-domain-verification=46bc10517542dde7b3858661e6761e160ef1ec3c433117a6...`
SOA	`ns1.sectigoweb.com`admin@sectigo.com serial=1664871653

`com`

	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=1785859734

Same first word

bulsink.com

bulsink.nl

bulsink.eu

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DNS History

15 records (9 active, 6 former)

○NSns1.allisp.eu2017-08-07 → 2017-08-07 · 4 obs

○ 2016-04-28 08:18:36
● 2017-08-07 22:52:38
○ 2026-07-08 09:07:02
○ 2026-08-04 16:23:40

○NSns1.pem.kpn.net2015-07-15 → 2016-04-28 · 4 obs

● 2015-07-15 02:58:46
● 2016-04-28 08:18:36
○ 2017-08-07 22:52:38
○ 2026-08-04 16:23:40

●NSns1.sectigoweb.com2026-07-08 → 2026-08-04 · 3 obs

○ 2017-08-07 22:52:38
● 2026-07-08 09:07:02
● 2026-08-04 16:23:40

○NSns2.allisp.eu2017-08-07 → 2017-08-07 · 4 obs

○ 2016-04-28 08:18:36
● 2017-08-07 22:52:38
○ 2026-07-08 09:07:02
○ 2026-08-04 16:23:40

●NSns2.sectigoweb.com2026-07-08 → 2026-08-04 · 3 obs

○ 2017-08-07 22:52:38
● 2026-07-08 09:07:02
● 2026-08-04 16:23:40

○NSns3.pem.kpn.net2015-07-15 → 2016-04-28 · 4 obs

● 2015-07-15 02:58:46
● 2016-04-28 08:18:36
○ 2017-08-07 22:52:38
○ 2026-08-04 16:23:40

●NSns3.sectigoweb.com2026-07-08 → 2026-08-04 · 3 obs

○ 2017-08-07 22:52:38
● 2026-07-08 09:07:02
● 2026-08-04 16:23:40

●NSns4.sectigoweb.com2026-07-08 → 2026-08-04 · 3 obs

○ 2017-08-07 22:52:38
● 2026-07-08 09:07:02
● 2026-08-04 16:23:40

●MXfallbackmx.spamexperts.eu2026-07-08 → 2026-08-04 · 3 obs

○ 2017-08-07 22:52:38
● 2026-07-08 09:07:02
● 2026-08-04 16:23:40

●MXlastmx.spamexperts.net2026-07-08 → 2026-08-04 · 3 obs

○ 2017-08-07 22:52:38
● 2026-07-08 09:07:02
● 2026-08-04 16:23:40

○MXmgw.kpnxchange.com2015-07-15 → 2017-08-07 · 4 obs

● 2015-07-15 02:58:46
● 2017-08-07 22:52:38
○ 2026-07-08 09:07:02
○ 2026-08-04 16:23:40

●MXmx.spamexperts.com2026-07-08 → 2026-08-04 · 3 obs

○ 2017-08-07 22:52:38
● 2026-07-08 09:07:02
● 2026-08-04 16:23:40

●A185.173.21.1382026-07-08 → 2026-08-04 · 3 obs

○ 2017-08-07 22:52:38
● 2026-07-08 09:07:02
● 2026-08-04 16:23:40

○A213.75.8.432015-07-15 → 2017-08-07 · 4 obs

● 2015-07-15 02:58:46
● 2017-08-07 22:52:38
○ 2026-07-08 09:07:02
○ 2026-08-04 16:23:40

●A2a0b:3100:20::c92026-07-08 → 2026-08-04 · 3 obs

○ 2017-08-07 22:52:38
● 2026-07-08 09:07:02
● 2026-08-04 16:23:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net...	-
bulsink.com	ns1.sectigoweb.com, ns2.sectigoweb.com, ns3.sectigoweb.com, ns4.sectigoweb.com	8 records

✅ Authoritative Response

Server:199.247.154.53

NS records: ns1.sectigoweb.com, ns2.sectigoweb.com, ns3.sectigoweb.com, ns4.sectigoweb.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 325ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.173.21.138`
AAAA	1	`2a0b:3100:20::c9`
NS	4	`ns1.sectigoweb.com, ns2.sectigoweb.com...`
MX	3	`mx.spamexperts.com (pri: 10), fallbackmx.spamexperts.eu (pri: 20)...`
TXT	4	`MS=ms39629703, google-site-verification=mpRlap0ztSrAjlM...`
SOA	1	`ns1.sectigoweb.com admin.sectigo.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.sectigoweb.com, ns1.sectigoweb.com, ns2.sectigoweb.com...)

Analysis

IP Addresses

bulsink.com directs to two IP numbers, 185.173.21.138 and 2a0b:3100:20::c9

Among the host names that share IP numbers with bulsink.com are keser.nl, leanplannen.nl, xidoor.be and two others.

Name Servers

The domain bulsink.com is delegated to these four name servers: ns1.sectigoweb.com, ns2.sectigoweb.com, ns3.sectigoweb.com and ns4.sectigoweb.com.

bulsink.com partially shares its NS delegation with several other domains, including knapen-trailers.nl, evolf.nl, wieldersisolatie.nl and two others.

ns1.sectigoweb.com, ns2.sectigoweb.com, ns3.sectigoweb.com and ns4.sectigoweb.com each carry two IP addresses. ns1.sectigoweb.com has 199.247.152.53 and 2620:111:8004::53; ns2.sectigoweb.com has 199.247.153.53 and 2620:111:8005::53; ns3.sectigoweb.com has 199.247.154.53 and 2620:111:8006::53; ns4.sectigoweb.com has 199.247.155.53 and 2620:111:8007::53.

Mail Servers

bulsink.com uses three mail servers — mx.spamexperts.com, fallbackmx.spamexperts.eu and lastmx.spamexperts.net.

bulsink.com shares at least some of its mail servers with other domains — for example cybergata.com, tera.arq.com.mx, seniorenparty.nl and two more.

Host names resolving to 8 IP numbers:

lastmx.spamexperts.net resolves to 38.71.16.244, 38.89.254.156, 149.13.75.27 and 5 other IP addresses.

Host names resolving to 6 IP numbers:

fallbackmx.spamexperts.eu resolves to 38.71.16.244, 38.89.254.156, 38.101.250.150 and 3 other IP addresses.

Hosts with two IP numbers each:

mx.spamexperts.com points to 38.71.16.244 and 2001:550:2:78::ca:100.

lastmx.spamexperts.net and fallbackmx.spamexperts.eu are host names that each point to 2001:550:2:3::62:100 IP addresses.

lastmx.spamexperts.net and fallbackmx.spamexperts.eu are host names that each point to 2001:550:2:61::2fc:100 IP addresses.

lastmx.spamexperts.net, fallbackmx.spamexperts.eu and mx.spamexperts.com all direct to 38.71.16.244.

lastmx.spamexperts.net and fallbackmx.spamexperts.eu are host names that each point to 38.89.254.156 IP addresses.

fallbackmx.spamexperts.eu and mx.spamexperts.com are host names that each point to 2001:550:2:78::ca:100 IP addresses.

bulsink.com - robtex.com

bulsink.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`bulsink.com`

`com`