`abacus-solutions.ch`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3034::6815:532^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:84fb^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.50^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.132.251^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`theo.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c190^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`theo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2190^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`theo.ns.cloudflare.com`
		A	108.162.193.144^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
		A	172.64.33.144^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
		A	173.245.59.144^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
NS	`vera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c093^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2093^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vera.ns.cloudflare.com`
		A	108.162.192.147^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	172.64.32.147^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	173.245.58.147^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
MX	`abacussolutions-ch01e.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`MS=ms85372682`
TXT	`google-site-verification=wlBWqoArJzFZO2VfoT0I4cU-MBoTeFHKEpM6S_HVTpI`
TXT	`swisssign-check=sjlIlgrdaTRnuieGuIfIgJpGzF0`
TXT	`v=spf1 include:spf.abacus.ch include:spf.protection.outlook.com include:_spf....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.50, 172.67.132.251
		IPv6 hints	2606:4700:3034::6815:532, 2606:4700:3035::ac43:84fb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com
SOA	`theo.ns.cloudflare.com`dns@cloudflare.com serial=2400964720

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-04-28 #43

Same first word

abacus-solutions.com

abacus-solutions.de

abacus-solutions.ch

DNS History

22 records (7 active, 15 former)

○NSdns1.abacus.ch2015-05-21 → 2015-05-21 · 3 obs

● 2015-05-21 14:09:34
○ 2015-10-23 00:52:48
○ 2026-04-28 20:14:50

○NSdns2.abacus.ch2015-05-21 → 2015-05-21 · 3 obs

● 2015-05-21 14:09:34
○ 2015-10-23 00:52:48
○ 2026-04-28 20:14:50

○NSdns3.abacus.ch2015-05-21 → 2015-05-21 · 3 obs

● 2015-05-21 14:09:34
○ 2015-10-23 00:52:48
○ 2026-04-28 20:14:50

●NStheo.ns.cloudflare.com2015-10-23 → 2026-04-28 · 3 obs

○ 2015-05-21 14:09:34
● 2015-10-23 00:52:48
● 2026-04-28 20:14:50

●NSvera.ns.cloudflare.com2015-10-23 → 2026-04-28 · 3 obs

○ 2015-05-21 14:09:34
● 2015-10-23 00:52:48
● 2026-04-28 20:14:50

●MXabacussolutions-ch01e.mail.protection.outlook.com2026-02-15 → 2026-04-28 · 3 obs

○ 2017-04-05 02:13:20
● 2026-02-15 16:53:26
● 2026-04-28 20:14:50

○MXmx1.abanet.ch2015-10-23 → 2017-04-05 · 4 obs

● 2015-10-23 00:52:48
● 2017-04-05 02:13:20
○ 2026-02-15 16:53:26
○ 2026-04-28 20:14:50

○MXmx2.abanet.ch2015-10-23 → 2017-04-05 · 4 obs

● 2015-10-23 00:52:48
● 2017-04-05 02:13:20
○ 2026-02-15 16:53:26
○ 2026-04-28 20:14:50

○MXmx3.abanet.ch2015-10-23 → 2017-04-05 · 4 obs

● 2015-10-23 00:52:48
● 2017-04-05 02:13:20
○ 2026-02-15 16:53:26
○ 2026-04-28 20:14:50

●A104.21.5.502026-02-15 → 2026-04-28 · 12 obs

○ 2017-04-05 02:13:20
● 2026-02-15 16:53:26
● 2026-02-16 12:49:10
○ 2026-03-12 10:34:54
○ 2026-03-16 04:31:14
● 2026-03-20 10:49:10
● 2026-03-23 02:26:02
○ 2026-04-05 10:01:58
● 2026-04-13 18:04:56
● 2026-04-20 06:30:22
○ 2026-04-21 22:54:32
● 2026-04-28 20:14:50

○A104.28.4.802015-10-23 → 2017-04-05 · 5 obs

○ 2015-05-21 14:09:34
● 2015-10-23 00:52:48
● 2017-04-05 02:13:20
○ 2026-02-15 16:53:26
○ 2026-04-28 20:14:50

○A104.28.5.802015-10-23 → 2017-04-05 · 5 obs

○ 2015-05-21 14:09:34
● 2015-10-23 00:52:48
● 2017-04-05 02:13:20
○ 2026-02-15 16:53:26
○ 2026-04-28 20:14:50

●A172.67.132.2512026-02-15 → 2026-04-28 · 12 obs

○A188.114.96.02026-03-12 → 2026-04-21 · 10 obs

○ 2026-02-16 12:49:10
● 2026-03-12 10:34:54
● 2026-03-16 04:31:14
○ 2026-03-20 10:49:10
○ 2026-03-23 02:26:02
● 2026-04-05 10:01:58
○ 2026-04-13 18:04:56
○ 2026-04-20 06:30:22
● 2026-04-21 22:54:32
○ 2026-04-28 20:14:50

○A188.114.97.02026-03-12 → 2026-04-21 · 10 obs

○A2400:cb00:2048:1::681c:4502017-04-05 → 2017-04-05 · 4 obs

○ 2015-10-23 00:52:48
● 2017-04-05 02:13:20
○ 2026-02-15 16:53:26
○ 2026-04-28 20:14:50

○A2400:cb00:2048:1::681c:5502017-04-05 → 2017-04-05 · 4 obs

○ 2015-10-23 00:52:48
● 2017-04-05 02:13:20
○ 2026-02-15 16:53:26
○ 2026-04-28 20:14:50

●A2606:4700:3034::6815:5322026-02-15 → 2026-04-28 · 12 obs

●A2606:4700:3035::ac43:84fb2026-02-15 → 2026-04-28 · 12 obs

○A2a06:98c1:3120::2026-03-12 → 2026-04-21 · 10 obs

○A2a06:98c1:3121::2026-03-12 → 2026-04-21 · 10 obs

○A77.74.4.1852015-05-21 → 2015-05-21 · 3 obs

● 2015-05-21 14:09:34
○ 2015-10-23 00:52:48
○ 2026-04-28 20:14:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
abacus-solutions.ch	vera.ns.cloudflare.com, theo.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.147

NS records: vera.ns.cloudflare.com, theo.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 677ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.132.251, 104.21.5.50`
AAAA	2	`2606:4700:3034::6815:532, 2606:4700:3035::ac43:84fb`
NS	2	`theo.ns.cloudflare.com, vera.ns.cloudflare.com`
MX	1	`abacussolutions-ch01e.mail.protection.ou`
TXT	4	`MS=ms85372682, google-site-verification=wlBWqoArJzFZO2V...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`theo.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

Four IP numbers are pointed to by abacus-solutions.ch: 2606:4700:3034::6815:532, 2606:4700:3035::ac43:84fb, 104.21.5.50 and 172.67.132.251.

other host names including mx.newqbo.com, bluewaterpropertymanagers.com, betwartscasino.net, 961it.com and enefitvolt.se share IP numbers with abacus-solutions.ch.

Name Servers

abacus-solutions.ch is delegated to two name servers theo.ns.cloudflare.com and vera.ns.cloudflare.com.

abacus-solutions.ch shares the same name server setup as other domains, for instance abacus-hrservices.com, listagradinite.ro, ameritaxservice.com, vishagi.com and rshb-saveforest.ru.

abacus-solutions.ch at least partially shares name servers with other domains, for instance alertsyme.com, bocp.cn, rydelroofing.ca, dehalaw.com and armiusate.it.

These name servers are commonly used with galilea.ns.cloudflare.com, chan.ns.cloudflare.com, kara.ns.cloudflare.com, gwen.ns.cloudflare.com and marjory.ns.cloudflare.com.

Host names with six IP numbers:

Host name theo.ns.cloudflare.com points to: 2606:4700:58::adf5:3b90, 2803:f800:50::6ca2:c190, 2a06:98c1:50::ac40:2190, 108.162.193.144, 172.64.33.144 and 173.245.59.144.

Host name vera.ns.cloudflare.com points to: 2606:4700:50::adf5:3a93, 2803:f800:50::6ca2:c093, 2a06:98c1:50::ac40:2093, 108.162.192.147, 172.64.32.147 and 173.245.58.147.

Mail Servers

abacus-solutions.ch is handled by a single mail server, abacussolutions-ch01e.mail.protection.outlook.com.

Host abacussolutions-ch01e.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::a, 2a01:111:f403:ca04::d, 2a01:111:f403:ca09::f, 52.101.68.16, 52.101.73.2, 52.101.73.19 and 52.101.73.24.

abacus-solutions.ch - robtex.com