`a2-office.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::2c8^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-02c8.elastic-ssl.ui-r.com`
A	217.160.0.217^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1108.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:526c:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1108.ui-dns.com`
		A	217.160.82.108^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1108.ui-dns.com`
NS	`ns1108.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:516c:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1108.ui-dns.biz`
		A	217.160.81.108^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1108.ui-dns.biz`
NS	`ns1108.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:108^{🇺🇸 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	`ns1108.ui-dns.de`
		A	185.132.32.108^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1108.ui-dns.de`
		A	217.160.80.108^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1108.ui-dns.de`
NS	`ns1108.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:536c:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1108.ui-dns.org`
		A	217.160.83.108^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1108.ui-dns.org`
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1108.ui-dns.com`hostmaster@kundenserver.de 2016-04-27 #3

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1774846096

Same first word

a2-office.com

a2-office.de

DNS History

8 records (8 active, 0 former)

●NSns1108.ui-dns.biz2026-02-18 → 2026-03-30 · 2 obs

● 2026-02-18 07:35:24
● 2026-03-30 04:53:10

●NSns1108.ui-dns.com2026-02-18 → 2026-03-30 · 2 obs

● 2026-02-18 07:35:24
● 2026-03-30 04:53:10

●NSns1108.ui-dns.de2026-02-18 → 2026-03-30 · 2 obs

● 2026-02-18 07:35:24
● 2026-03-30 04:53:10

●NSns1108.ui-dns.org2026-02-18 → 2026-03-30 · 2 obs

● 2026-02-18 07:35:24
● 2026-03-30 04:53:10

●MXmx00.ionos.de2026-02-18 → 2026-03-30 · 2 obs

● 2026-02-18 07:35:24
● 2026-03-30 04:53:10

●MXmx01.ionos.de2026-02-18 → 2026-03-30 · 2 obs

● 2026-02-18 07:35:24
● 2026-03-30 04:53:10

●A2001:8d8:100f:f000::2c82026-02-18 → 2026-03-30 · 2 obs

● 2026-02-18 07:35:24
● 2026-03-30 04:53:10

●A217.160.0.2172026-02-18 → 2026-03-30 · 2 obs

● 2026-02-18 07:35:24
● 2026-03-30 04:53:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
a2-office.de	ns1108.ui-dns.de, ns1108.ui-dns.biz, ns1108.ui-dns.com, ns1108.ui-dns.org	-

✅ Authoritative Response

Server:217.160.83.108

NS records: ns1108.ui-dns.de, ns1108.ui-dns.biz, ns1108.ui-dns.com, ns1108.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a2-office.de (unsigned zone)

⏱️ Timing

Total: 1084ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.217`
AAAA	1	`2001:8d8:100f:f000::2c8`
NS	4	`ns1108.ui-dns.biz, ns1108.ui-dns.org...`
MX	2	`mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1108.ui-dns.com hostmaster.kundenserve`

Analysis

IP Addresses

a2-office.de resolves to two IP numbers: 2001:8d8:100f:f000::2c8 and 217.160.0.217.

Other host names, for instance www.golfbusinesspartners.com, miwo.es, iberiamarket.com, speer-ics.de and chica-de-luxe.de share IP numbers with a2-office.de.

Name Servers

a2-office.de's delegation is handled by four name servers: ns1108.ui-dns.biz, ns1108.ui-dns.com, ns1108.ui-dns.de and ns1108.ui-dns.org.

a2-office.de partially shares name servers with other domains; examples include jfn.es, dballer.com, oecon.org, ogolla.de and nesportstime.com.