n-tag.dk

📜 Historical scan 2026-09-30 14:41:16  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

n-tag.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 4 May 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.221 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, has no 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#

2 records   37ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.curanet.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.40.221 3600s vm1212.enterprisecloud.nu AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —

📧 MX Records#

2 records   59ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
20 3600s mx2.onlinemail.io 46.36.208.16 mx2.onlinemail.io AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfigautoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   189ms
TXT Record
v=spf1 include:spf.curanet.dk include:web.shared.mysmtp.com -all

✉️ SPF#

PolicyRecord (n-tag.dk)
-all (hard fail) v=spf1 include:spf.curanet.dk include:web.shared.mysmtp.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-09 09:11:36
www185.21.40.221 (AS48854) (address records, no CNAME)
www vs bare domainSame network
n-tag.dk: 185.21.40.221 (AS48854)
www.n-tag.dk: 185.21.40.221 (AS48854)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

37ms
FieldValue
Serial2023061501
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-22 17:38:54
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-05-04
Expires2027-05-31 (219d)

🔗 Same registrant#

586 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
2bbilvask.dkSimply.com A/S
8700smeden.dkPunktum dk A/S (direct)
a-c-t.dkPunktum dk A/S (direct)
a1biludlejning.dkPunktum dk A/S (direct)
aabels.dkPunktum dk A/S (direct)
aabenop.dkPunktum dk A/S (direct)
aakerblad.dkPunktum dk A/S (direct)
aalborgtag.dkPunktum dk A/S (direct)
aalemanden.dkPunktum dk A/S (direct)
aarhusblik.dkPunktum dk A/S (direct)
aarhusomegnflyt.dkPunktum dk A/S (direct)
aarhuspadeltennis.dkPunktum dk A/S (direct)
ab-maskinservice.dkPunktum dk A/S (direct)
ac-skadedyr.dkPunktum dk A/S (direct)
ac-wirecut.dkPunktum dk A/S (direct)
ai-check.dkPunktum dk A/S (direct)
akademiet-toa.dkPunktum dk A/S (direct)
akasha-healing-wellness.dkPunktum dk A/S (direct)
akupunkturogcupping.dkPunktum dk A/S (direct)
aldileg.dkPunktum dk A/S (direct)
alfa-bioshop.dkPunktum dk A/S (direct)
alhumsani.dkPunktum dk A/S (direct)
alm-entr.dkPunktum dk A/S (direct)
alservice-gug.dkPunktum dk A/S (direct)
alsteds.dkPunktum dk A/S (direct)
alstrup-brand.dkSimply.com A/S
altautoservice.dkPunktum dk A/S (direct)
altienbygge.dkPunktum dk A/S (direct)
amporn-thaimassage.dkPunktum dk A/S (direct)
ankerbil.dkSimply.com A/S
aquasearch.dkSimply.com A/S
ar-ejendomsservice.dkSimply.com A/S
arves.dkPunktum dk A/S (direct)
ase-service.dkPunktum dk A/S (direct)
askogtennegarden.dkPunktum dk A/S (direct)
atjmaskinhandelogudlejning.dkPunktum dk A/S (direct)
atlasint.dkPunktum dk A/S (direct)
aurelialimited.dkPunktum dk A/S (direct)
autohjørnet-tårs.dkPunktum dk A/S (direct)
bagelsogshakes.dkPunktum dk A/S (direct)
bakogstub.dkPunktum dk A/S (direct)
balancebymonik.dkSimply.com A/S
balayokropsterapi.dkPunktum dk A/S (direct)
barentomrer.dkPunktum dk A/S (direct)
barsøebehandling.dkPunktum dk A/S (direct)
bastholm-gulvslibning.dkPunktum dk A/S (direct)
bbstudenterkorsel.dkPunktum dk A/S (direct)
bcains.dkPunktum dk A/S (direct)
beautybynatasja.dkSimply.com A/S
bechs-begravelsesforretning.dkPunktum dk A/S (direct)
begravelse-vejgaard.dkPunktum dk A/S (direct)
begravelses-tjenesten.dkPunktum dk A/S (direct)
bentandersenvvs.dkPunktum dk A/S (direct)
bergstrømkropsterapi.dkPunktum dk A/S (direct)
bh-roadservice.dkPunktum dk A/S (direct)
bh-service.dkPunktum dk A/S (direct)
bhabekost.dkPunktum dk A/S (direct)
bhc-regnskab.dkPunktum dk A/S (direct)
biomicroscopy.dkSimply.com A/S
bl-multiservice.dkPunktum dk A/S (direct)
blaek-huset.dkPunktum dk A/S (direct)
blivfundetnu.dkPunktum dk A/S (direct)
blivsynlignu.dkPunktum dk A/S (direct)
blok-byg.dkPunktum dk A/S (direct)
bloomstudio.dkSimply.com A/S
bm-sm.dkPunktum dk A/S (direct)
bmbogforing.dkPunktum dk A/S (direct)
bofællesskabetkoloni.dkPunktum dk A/S (direct)
boiskauhansen.dkPunktum dk A/S (direct)
bp-byg.dkSimply.com A/S
braa-rengoering.dkPunktum dk A/S (direct)
brdrmortensen.dkPunktum dk A/S (direct)
brochholm.dkPunktum dk A/S (direct)
broderi-gavlen.dkPunktum dk A/S (direct)
broedrenesindt.dkPunktum dk A/S (direct)
brohammerfinans.dkPunktum dk A/S (direct)
brondby-fys.dkPunktum dk A/S (direct)
brunder.dkPunktum dk A/S (direct)
bryllupnordjylland.dkPunktum dk A/S (direct)
brøk.dkPunktum dk A/S (direct)
brønstedstræfældning.dkPunktum dk A/S (direct)
bst-dk.dkPunktum dk A/S (direct)
bøgstedgravering.dkPunktum dk A/S (direct)
bøje-studenterkørsel.dkPunktum dk A/S (direct)
cadtegner.dkPunktum dk A/S (direct)
cafeenslusen.dkPunktum dk A/S (direct)
cafehermod.dkPunktum dk A/S (direct)
cafepaperback.dkPunktum dk A/S (direct)
carlfrederikhals.dkPunktum dk A/S (direct)
catentreprise.dkSimply.com A/S
centraltrafikskole.dkPunktum dk A/S (direct)
cftest.dkSimply.com A/S
checkai.dkPunktum dk A/S (direct)
christianslund-bandb.dkPunktum dk A/S (direct)
cj-entreprenoer.dkPunktum dk A/S (direct)
claen4you.dkPunktum dk A/S (direct)
cmad-klubben.dkPunktum dk A/S (direct)
cmauto.dkPunktum dk A/S (direct)
co-creatorsstudio.dkPunktum dk A/S (direct)
consultlc.dkPunktum dk A/S (direct)

Showing 100 of 586.

📋 WHOIS#

⏱️ Lookup Timing#

NS
37ms
A
45ms
MX
59ms
AAAA
55ms
TXT
189ms
CAA
69ms
HTTPS
50ms
TLSA
59ms
SOA
37ms
MTA-STS
92ms
DNSSEC
110ms
SRV
48ms
Total
542ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 09:11:36 374ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-30 14:41:16 shown 542ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-29 18:32:24 599ms 2 NS 1 A 2 MX 🔒 Secure
2026-07-19 15:45:01 24653ms 2 NS 1 A 2 MX 🔒 Secure
2026-07-18 14:01:35 18821ms 2 NS 1 A 0 MX 🔒 Secure
2026-07-03 01:36:56 9509ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-21 01:59:32 410ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-18 10:35:27 2447ms 2 NS 1 A 2 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone