cicero.dk

📜 Historical scan 2026-08-28 00:46:37  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cicero.dk is a .dk domain served by 4 nameservers (ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org and 1 more). It was registered on 25 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.58.160.144 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by cicero-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records   52ms
NameserverIP addressesPTRASN / ISP
ns1-02.azure-dns.com 13.107.236.2
2603:1061:0:700::2		 ns1-02.azure-dns.com
ns1-02.azure-dns.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns2-02.azure-dns.net 150.171.21.2
2620:1ec:8ec:700::2		 ns2-02.azure-dns.net
ns2-02.azure-dns.net		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns3-02.azure-dns.org 204.14.183.2
2a01:111:4000:700::2		 ns3-02.azure-dns.org
ns3-02.azure-dns.org		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns4-02.azure-dns.info 208.84.5.2
2620:1ec:bda:700::2		 ns4-02.azure-dns.info
ns4-02.azure-dns.info		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🌍 A Records#

1 records   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
86.58.160.144 3600s — AS47292 Sentia Denmark A/S 86.58.160.0/21 🇩🇰 Denmark —

📧 MX Records#

1 records   51ms
PriorityTTLMail ServerIP addressesPTRASN
5 600s cicero-dk.mail.protection.outlook.com 2a01:111:f403:ca04::8
2a01:111:f403:ca04::d
2a01:111:f403:ca09::4
2a01:111:f403:ca09::c
52.101.68.12
52.101.68.18
52.101.68.3
52.101.73.15		 mail-db5pr02cu00100.inbound.protection.outlook.com
mail-db6pr03cu00105.inbound.protection.outlook.com
mail-am0pr04cu00504.inbound.protection.outlook.com
mail-as8pr05cu00304.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-db4pr02cu00302.inbound.protection.outlook.com
mail-db7pr03cu00403.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   236ms
TXT Record
MS=ms65666037
v=msv1 t=B41022F0-6DA1-43EA-A29D-0089AA3D57F7
v=spf1 ip4:86.58.159.10 ip4:86.58.159.30 ip4:86.58.159.31 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (cicero.dk)
-all (hard fail) v=spf1 ip4:86.58.159.10 ip4:86.58.159.30 ip4:86.58.159.31 include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.cicero.dk)
p=reject v=DMARC1; p=reject; rua=mailto:62de94a87c3dc@dmarc.centerasecurity.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 16:18:17
www86.58.160.144 (AS47292) (address records, no CNAME)
www vs bare domainSame network
cicero.dk: 86.58.160.144 (AS47292)
www.cicero.dk: 86.58.160.144 (AS47292)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

102ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2017111700
Primary NS (MNAME)ns1-02.azure-dns.com
Responsible (RNAME)hostmaster@gyldendal.dk
Refresh3600s
Retry600s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 02:46:54
FieldValue
RegistrarWEB SOLUTIONS A/S
Registered2001-01-25
Expires2027-03-31 (157d)

🔗 Same registrant#

106 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
abacus.dkWEB SOLUTIONS A/S
aufdeutschbitte.dkWEB SOLUTIONS A/S
blekingegadebanden.dkWEB SOLUTIONS A/S
bobbyzachariae.dkWEB SOLUTIONS A/S
bogfestival.dkWEB SOLUTIONS A/S
bogpladsen.dkWEB SOLUTIONS A/S
bogplus.dkWEB SOLUTIONS A/S
borgen.dkWEB SOLUTIONS A/S
condidact.dkWEB SOLUTIONS A/S
danskbrikker.dkWEB SOLUTIONS A/S
danske-dyr.dkWEB SOLUTIONS A/S
danskprofilen.dkWEB SOLUTIONS A/S
denkæmpestorelæsedag.dkWEB SOLUTIONS A/S
denrødekuvert.dkWEB SOLUTIONS A/S
derødeordbøger.dkWEB SOLUTIONS A/S
digitalretstavning.dkWEB SOLUTIONS A/S
dronningensgobeliner.dkWEB SOLUTIONS A/S
europas-lande.dkWEB SOLUTIONS A/S
europaslande.dkWEB SOLUTIONS A/S
fagbog.dkWEB SOLUTIONS A/S
faktaogfiktion.dkWEB SOLUTIONS A/S
fantastiskfoedsel.dkSimply.com A/S
flamingobook.dkWEB SOLUTIONS A/S
forløbsbygger.dkWEB SOLUTIONS A/S
formelit.dkWEB SOLUTIONS A/S
frkjensen.dkWEB SOLUTIONS A/S
fupz.dkWEB SOLUTIONS A/S
g.dkWEB SOLUTIONS A/S
ga-forlagene.dkWEB SOLUTIONS A/S
gu.dkWEB SOLUTIONS A/S
guide2know.dkWEB SOLUTIONS A/S
gyldendahl.dkWEB SOLUTIONS A/S
gyldendal-uddannelse.dkWEB SOLUTIONS A/S
gyldendal.dkWEB SOLUTIONS A/S
gyldendalbusiness.dkWEB SOLUTIONS A/S
gyldendalgroupagency.dkWEB SOLUTIONS A/S
gyldendalordbog.dkWEB SOLUTIONS A/S
gyldendals-boghandel.dkWEB SOLUTIONS A/S
gyldendalsboghandel.dkWEB SOLUTIONS A/S
gyldendalskulturarv.dkWEB SOLUTIONS A/S
gyldendalsolutions.dkWEB SOLUTIONS A/S
gyldendalsordbog.dkWEB SOLUTIONS A/S
gyldendalsordbøger.dkWEB SOLUTIONS A/S
gyldendalstudio.dkWEB SOLUTIONS A/S
gyldendaltest.dkWEB SOLUTIONS A/S
gyldendalung.dkWEB SOLUTIONS A/S
hans-reitzel.dkWEB SOLUTIONS A/S
hansreitzel-munksgaard.dkWEB SOLUTIONS A/S
hansreitzel.dkWEB SOLUTIONS A/S
highlight.dkWEB SOLUTIONS A/S
hostogson.dkWEB SOLUTIONS A/S
hvedekorn.dkWEB SOLUTIONS A/S
i-biblioteket.dkWEB SOLUTIONS A/S
ibibliotek.dkWEB SOLUTIONS A/S
ibog.dkWEB SOLUTIONS A/S
iep.dkWEB SOLUTIONS A/S
iforloeb.dkWEB SOLUTIONS A/S
iforløb.dkWEB SOLUTIONS A/S
komogregn.dkWEB SOLUTIONS A/S
krimier.dkWEB SOLUTIONS A/S
kvikdansk.dkWEB SOLUTIONS A/S
kviktysk.dkWEB SOLUTIONS A/S
laererpanel.dkWEB SOLUTIONS A/S
laererunivers.dkWEB SOLUTIONS A/S
laeserpanel.dkWEB SOLUTIONS A/S
lhpublishing.dkWEB SOLUTIONS A/S
lovnoeglen.dkWEB SOLUTIONS A/S
læsløs.dkWEB SOLUTIONS A/S
mariahelleberg.dkWEB SOLUTIONS A/S
medicinskkompendium.dkWEB SOLUTIONS A/S
min-eud.dkWEB SOLUTIONS A/S
mineud.dkWEB SOLUTIONS A/S
mit-eud.dkWEB SOLUTIONS A/S
mitsystime.dkWEB SOLUTIONS A/S
modultest.dkWEB SOLUTIONS A/S
multi2012.dkWEB SOLUTIONS A/S
myboox.dkWEB SOLUTIONS A/S
naturgeografiportalen.dkWEB SOLUTIONS A/S
nytnordiskforlag.dkWEB SOLUTIONS A/S
piranaforlag.dkWEB SOLUTIONS A/S
prettyink.dkWEB SOLUTIONS A/S
psychsimulation.dkWEB SOLUTIONS A/S
room606.dkWEB SOLUTIONS A/S
rosinante-kompagni.dkWEB SOLUTIONS A/S
rødeordbøger.dkWEB SOLUTIONS A/S
samleren.dkWEB SOLUTIONS A/S
samlerensforlag.dkWEB SOLUTIONS A/S
sebogen.dkWEB SOLUTIONS A/S
skolebib.dkWEB SOLUTIONS A/S
skolebibliotekar.dkWEB SOLUTIONS A/S
skonlitteratur.dkWEB SOLUTIONS A/S
skrivoglæs.dkWEB SOLUTIONS A/S
strandbergpublishing.dkWEB SOLUTIONS A/S
studybot.dkWEB SOLUTIONS A/S
studybox.dkWEB SOLUTIONS A/S
studyplus.dkWEB SOLUTIONS A/S
systime.dkWEB SOLUTIONS A/S
systimesolutions.dkWEB SOLUTIONS A/S
trane.dkWEB SOLUTIONS A/S
tranetest.dkWEB SOLUTIONS A/S

Showing 100 of 106.

📋 WHOIS#

⏱️ Lookup Timing#

NS
52ms
A
42ms
MX
51ms
AAAA
68ms
TXT
236ms
CAA
52ms
HTTPS
41ms
TLSA
660ms
SOA
0ms
MTA-STS
73ms
DNSSEC
102ms
SRV
86ms
Total
1434ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 20:54:56 1269ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-19 17:44:54 1283ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-28 00:46:37 shown 1434ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-02 00:29:43 1013ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-16 20:45:38 673ms 4 NS 1 A 1 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone