Here's the list of those who are guarded! Members marked with a ★ are those who were first to be protected by that senshi.

Sailor Moon guards...

Mirei ﹠ Serenitatis ★
Rin ﹠ H☆SHi.NU
Courtnee ﹠ faded morning

Tuxedo Kamen guards...

Erin ﹠ Gensoukai ★
Krish ﹠ Sanguine Royal
Naiko ﹠ Naiko's Webspace

Sailor Mercury guards...

Minterpunct ﹠ A Wikity Fridge ★
Daryl ﹠ Daryl Sun's Journal
Josie ﹠ Cynosure Station

Sailor Mars guards...

Seven ﹠ Meowbark2000 ★
Cerine ﹠ Caelestis

Sailor Jupiter guards...

ki ﹠ joker420 ★
Rin ﹠ White Heart Rainbow Soul
Malcolm ﹠ Rat's Lair

Sailor Venus guards...

Mina ﹠ Minako's Sailor Moon Page + Route Venus ★
Linky ﹠ Linkyblog

Sailor Pluto guards...

Fin ﹠ Twansgendew ★
Nemi ﹠ Silent

Sailor Chibi Moon guards...

Elle ﹠ A Little Universe ★
Ally ﹠ AllyRat World

Sailor Uranus guards...

Tarraxahum ﹠ Tarraxahum's Den ★
Mari ﹠ AquariumAesthetic
DARIIUS ﹠ marionetwork

Sailor Neptune guards...

Aelyn ﹠ Aelysia ★
Lethe ﹠ The Wither and Bloom Network

Sailor Saturn guards...

Christina ﹠ Midnight Cloud Network ★
Mizuki ﹠ Mizuki's World!
Kee ﹠ oudkee's corner
leafy ﹠ sunfyre
Eva ﹠ Magic Boots
K ﹠ omfg
Myubi ﹠ Hoshiboshi

Sailor Star Fighter guards...

(currently off-duty!)

Sailor Star Maker guards...

Rin ﹠ SailorCrystal.NET ★

Sailor Star Healer guards...

Crys ﹠ Yaten ★